383 Influential People who changed the world

Jyotirao Govindrao Phule (11 April 1827 – 28 November 1890) was an Indian social activist, thinker, anti-caste social reformer and writer from Maharashtra. His work extended to many fields, including eradication of untouchability and the caste system and for his efforts in educating women and oppressed caste people. He and his wife, Savitribai Phule, were pioneers of women’s education in India. Phule started his first school for girls in 1848 in Pune at Tatyasaheb Bhide’s residence or Bhidewada. He, along with his followers, formed the Satyashodhak Samaj (Society of Truth Seekers) to attain equal rights for people from lower castes. People from all religions and castes could become a part of this association which worked for the upliftment of the oppressed classes. Phule is regarded as an important figure in the social reform movement in Maharashtra.The honorific Mahātmā (Sanskrit: “great-souled”, “venerable”), was first applied to him in 1888 at a special program honoring him in Mumbai..

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Bhimrao Ramji Ambedkar (14 April 1891 – 6 December 1956), also known as Babasaheb Ambedkar, was an Indian scholar, jurist, economist, politician and social reformer, who inspired the Dalit Buddhist movement and campaigned against social discrimination towards the untouchables (Dalits), while also supporting the rights of women and labour. He was independent India’s first Minister of Law and Justice, the chief architect of the Constitution of India, and a founding father of the Republic of India.
Ambedkar was a prolific student, earning doctorates in economics from both Columbia University and the University of London, and gaining reputation as a scholar for his research in law, economics and political science. In his early career, he was an economist, professor, and lawyer. His later life was marked by his political activities; he became involved in campaigning and negotiations for India’s independence, publishing journals, advocating political rights and social freedom for Dalits, and contributing significantly to the establishment of the state of India. In 1956, he converted to Buddhism, initiating mass conversions of Dalits.In 1990, the Bharat Ratna, India’s highest civilian award, was posthumously conferred upon Ambedkar. Ambedkar’s legacy includes numerous memorials and depictions in popular culture.

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Ashoka, also known as Ashoka the Great, was an Indian emperor of the Maurya Dynasty, who ruled almost all of the Indian subcontinent from c. 268 to 232 BCE. The grandson of the founder of the Maurya Dynasty, Chandragupta Maurya, Ashoka promoted the spread of Buddhism across ancient Asia. Considered by many to be one of India’s greatest emperors, Ashoka expanded Chandragupta’s empire to reign over a realm stretching from present-day Afghanistan in the west to Bangladesh in the east. It covered the entire Indian subcontinent except for parts of present-day Tamil Nadu, Karnataka and Kerala. The empire’s capital was Pataliputra (in Magadha, present-day Patna), with provincial capitals at Taxila and Ujjain.
Ashoka waged a destructive war against the state of Kalinga (modern Odisha), which he conquered in about 260 BCE. He converted to Buddhism after witnessing the mass deaths of the Kalinga War, which he had waged out of a desire for conquest and which reportedly directly resulted in more than 100,000 deaths and 150,000 deportations. He is remembered for the Ashoka pillars and edicts, for sending Buddhist monks to Sri Lanka and Central Asia, and for establishing monuments marking several significant sites in the life of Gautama Buddha. Beyond the Edicts of Ashoka, biographical information about him relies on legends written centuries later, such as the 2nd-century CE Ashokavadana (“Narrative of Ashoka”, a part of the Divyavadana), and in the Sri Lankan text Mahavamsa (“Great Chronicle”). The emblem of the modern Republic of India is an adaptation of the Lion Capital of Ashoka. His Sanskrit name “Aśoka” means “painless, without sorrow” (the a privativum and śoka, “pain, distress”). In his edicts, he is referred to as Devānāmpriya (Pali Devānaṃpiya or “the Beloved of the Gods”), and Priyadarśin or Priyadarshi (Pali Piyadasī or “He who regards everyone with affection”). His fondness for a tree is the reason for his name being connected to the “Ashoka tree” or Polyalthia longifolia, and this is referenced in the Ashokavadana.
In The Outline of History (1920), H.G. Wells wrote, “Amidst the tens of thousands of names of monarchs that crowd the columns of history, their majesties and graciousnesses and serenities and royal highnesses and the like, the name of Ashoka shines, and shines, almost alone, a star.”

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Abraham Darby, in his later life called Abraham Darby the Elder, now sometimes known for convenience as Abraham Darby I (14 April 1677 – 5 May 1717), was the first and best known of several men of that name. Born into an English Quaker family that played an important role in the Industrial Revolution, Darby developed a method of producing pig iron in a blast furnace fuelled by coke rather than charcoal. This was a major step forward in the production of iron as a raw material for the Industrial Revolution.

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Adam Smith (c. 16 June [O.S. c. 5 June] 1723 – 17 July 1790) was a Scottish economist, philosopher as well as a moral philosopher, a pioneer of political economy, and a key figure during the Scottish Enlightenment, also known as ”The Father of Economics” or ”The Father of Capitalism”. Smith wrote two classic works, The Theory of Moral Sentiments (1759) and An Inquiry into the Nature and Causes of the Wealth of Nations (1776). The latter, often abbreviated as The Wealth of Nations, is considered his magnum opus and the first modern work of economics. In his work, Adam Smith introduced his theory of absolute advantage.Smith studied social philosophy at the University of Glasgow and at Balliol College, Oxford, where he was one of the first students to benefit from scholarships set up by fellow Scot John Snell. After graduating, he delivered a successful series of public lectures at the University of Edinburgh, leading him to collaborate with David Hume during the Scottish Enlightenment. Smith obtained a professorship at Glasgow, teaching moral philosophy and during this time, wrote and published The Theory of Moral Sentiments. In his later life, he took a tutoring position that allowed him to travel throughout Europe, where he met other intellectual leaders of his day.

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The Buddha (also known as Siddhartha Gotama or Siddhārtha Gautama or Buddha Shakyamuni) was a philosopher, mendicant, meditator, spiritual teacher, and religious leader who lived in Ancient India (c. 5th to 4th century BCE). He is revered as the founder of the world religion of Buddhism, and worshipped by most Buddhist schools as the Enlightened One who has transcended Karma and escaped the cycle of birth and rebirth. He taught for around 45 years and built a large following, both monastic and lay. His teaching is based on his insight into duḥkha (typically translated as “suffering”) and the end of dukkha – the state called Nibbāna or Nirvana.
The Buddha was born into an aristocratic family in the Shakya clan but eventually renounced lay life. According to Buddhist tradition, after several years of mendicancy, meditation, and asceticism, he awakened to understand the mechanism which keeps people trapped in the cycle of rebirth. The Buddha then traveled throughout the Ganges plain teaching and building a religious community. The Buddha taught a middle way between sensual indulgence and the severe asceticism found in the Indian śramaṇa movement. He taught a spiritual path that included ethical training and meditative practices such as jhana and mindfulness. The Buddha also critiqued the practices of Brahmin priests, such as animal sacrifice.

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Genghis Khan (c. 1158 – August 18, 1227), born Temüjin, was the founder and first Great Khan (Emperor) of the Mongol Empire, which became the largest contiguous empire in history after his death. He came to power by uniting many of the nomadic tribes of Northeast Asia. After founding the Empire and being proclaimed Genghis Khan (an honorary title possibly derived from the Turkic tengiz – sea, meaning “the oceanic, universal ruler”), he launched the Mongol invasions that conquered most of Eurasia, reaching as far west as Poland in Europe and the Levant in the Middle East. Campaigns initiated in his lifetime include those against the Qara Khitai, Khwarezmia, and the Western Xia and Jin dynasties, and raids into medieval Georgia, the Kievan Rus’, and Volga Bulgaria.
Medieval and modern sources describe Genghis Khan’s conquests as wholesale destruction on an unprecedented scale, causing great demographic changes and a drastic decline of population as a result of mass exterminations and famine. A conservative estimate amounts to about four million civilians (whereas other figures range from forty to sixty million) who lost their lives as a consequence of Genghis Khan’s military campaigns. In contrast, buddhist Uyghurs of the kingdom of Qocho, who willingly left the Qara Khitai empire to become Mongol vassals, viewed him as a liberator. Genghis Khan was also portrayed positively by early Renaissance sources, due to the incredible spread of culture, science and technological ideas by the Mongol Empire. By the end of his life, the Mongol Empire occupied a substantial portion of Central Asia and China. Due to his exceptional military successes, Genghis Khan is often considered to be one of the greatest conquerors of all time.Before Genghis Khan died, he assigned Ögedei Khan as his successor. Later, his grandsons split his empire into khanates. Genghis Khan died in 1227 after defeating the Western Xia. By his request, his body was buried in an unknown location somewhere in Mongolia. His descendants extended the Mongol Empire across most of Eurasia by conquering or creating vassal states in all of modern-day China, Korea, the Caucasus, Central Asia, and substantial portions of Eastern Europe and Southwest Asia. Many of these invasions repeated the earlier large-scale slaughters of local populations. As a result, Genghis Khan and his empire have a fearsome reputation in local histories.Beyond his military accomplishments, Genghis Khan also advanced the Mongol Empire in other ways. He decreed the adoption of the Uyghur script as the Mongol Empire’s writing system. He also practised meritocracy and encouraged religious tolerance in the Mongol Empire, unifying the nomadic tribes of Northeast Asia. Present-day Mongolians regard him as the founding father of Mongolia. He is also credited with bringing the Silk Road under one cohesive political environment. This brought relatively easy communication and trade between Northeast Asia, Muslim Southwest Asia, and Christian Europe, expanding the cultural horizons of all three areas.

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Lee Jun-fan (Chinese: 李振藩; November 27, 1940 – July 20, 1973), better known as Bruce Lee (Chinese: 李小龍), was a Hong Kong American martial artist, actor, director, martial arts instructor and philosopher. He was the founder of Jeet Kune Do, a hybrid martial arts philosophy drawing from different combat disciplines that is often credited with paving the way for modern mixed martial arts (MMA). Lee is considered by commentators, critics, media, and other martial artists to be the most influential martial artist of all time and a pop culture icon of the 20th century, who bridged the gap between East and West. He is credited with helping to change the way Asians were presented in American films.The son of Cantonese opera star Lee Hoi-chuen, Lee was born in the Chinatown area of San Francisco, on November 27, 1940, to parents from Hong Kong, and was raised with his family in Kowloon, Hong Kong. He was introduced to the film industry by his father and appeared in several films as a child actor. His early martial arts experience included Wing Chun (trained under Yip Man), tai chi, boxing (winning the Hong Kong schools boxing tournament), and street fighting (frequently participating in Hong Kong rooftop fights). Lee moved to the United States at the age of 18 to receive his higher education at the University of Washington in Seattle; it was during this time that he began teaching martial arts, later drawing significant attention at the 1964 Long Beach International Karate Championships. In the 1970s, his Hong Kong and Hollywood-produced films elevated the traditional martial arts film to a new level of popularity and acclaim, sparking a surge of interest in the Chinese nation and Chinese martial arts in the West. The direction and tone of his films dramatically influenced and changed martial arts and martial arts films worldwide.He is noted for his roles in five feature-length martial arts films in the early 1970s: Lo Wei’s The Big Boss (1971) and Fist of Fury (1972); Golden Harvest’s Way of the Dragon (1972), directed and written by Lee; and Golden Harvest and Warner Brothers’ Enter the Dragon (1973) and The Game of Death (1978), both directed by Robert Clouse. Lee became an iconic figure known throughout the world, particularly among the Chinese, based upon his portrayal of Chinese nationalism in his films, and among Asian Americans for defying stereotypes associated with the emasculated Asian male. Having initially learnt Wing Chun, tai chi, boxing, and street fighting, he combined them with other influences from various sources into the spirit of his personal martial arts philosophy, which he dubbed Jeet Kune Do (The Way of the Intercepting Fist). Lee had residences in Hong Kong and Seattle.Lee died on July 20, 1973, at the age of 32. There was no visible external injury; however, according to autopsy reports, Lee’s brain had swollen considerably. The autopsy found Equagesic in his system. When the doctors announced Lee’s death, it was officially ruled a “death by misadventure”. Since his death, Lee has continued to be a prominent influence on modern combat sports, including judo, karate, mixed martial arts, and boxing, as well as modern popular culture, including film, television, comics, animation and video games. Time named Lee one of the 100 most important people of the 20th century.

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Neil Alden Armstrong (August 5, 1930 – August 25, 2012) was an American astronaut and aeronautical engineer, and the first person to walk on the Moon. He was also a naval aviator, test pilot, and university professor.
Armstrong was born and raised in Wapakoneta, Ohio. A graduate of Purdue University, he studied aeronautical engineering; his college tuition was paid for by the U.S. Navy under the Holloway Plan. He became a midshipman in 1949 and a naval aviator the following year. He saw action in the Korean War, flying the Grumman F9F Panther from the aircraft carrier USS Essex. In September 1951, while making a low bombing run, Armstrong’s aircraft was damaged when it collided with an anti-aircraft cable, strung across a valley, which cut off a large portion of one wing. Armstrong was forced to bail out. After the war, he completed his bachelor’s degree at Purdue and became a test pilot at the National Advisory Committee for Aeronautics (NACA) High-Speed Flight Station at Edwards Air Force Base in California. He was the project pilot on Century Series fighters and flew the North American X-15 seven times. He was also a participant in the U.S. Air Force’s Man in Space Soonest and X-20 Dyna-Soar human spaceflight programs.
Armstrong joined the NASA Astronaut Corps in the second group, which was selected in 1962. He made his first spaceflight as command pilot of Gemini 8 in March 1966, becoming NASA’s first civilian astronaut to fly in space. During this mission with pilot David Scott, he performed the first docking of two spacecraft; the mission was aborted after Armstrong used some of his re-entry control fuel to stabilize a dangerous roll caused by a stuck thruster. During training for Armstrong’s second and last spaceflight as commander of Apollo 11, he had to eject from the Lunar Landing Research Vehicle moments before a crash.
On July 20, 1969, Armstrong and Apollo 11 Lunar Module (LM) pilot Buzz Aldrin became the first people to land on the Moon, and the next day they spent two and a half hours outside the Lunar Module Eagle spacecraft while Michael Collins remained in lunar orbit in the Apollo Command Module Columbia. When Armstrong first stepped onto the lunar surface, he famously said: “That’s one small step for [a] man, one giant leap for mankind.” It was broadcast live to an estimated 530 million viewers worldwide. Apollo 11 effectively proved US victory in the Space Race, by fulfilling a national goal proposed in 1961 by President John F. Kennedy “of landing a man on the Moon and returning him safely to the Earth” before the end of the decade. Along with Collins and Aldrin, Armstrong was awarded the Presidential Medal of Freedom by President Richard Nixon. President Jimmy Carter presented him with the Congressional Space Medal of Honor in 1978, and Armstrong and his former crewmates received a Congressional Gold Medal in 2009.
After he resigned from NASA in 1971, Armstrong taught in the Department of Aerospace Engineering at the University of Cincinnati until 1979. He served on the Apollo 13 accident investigation and on the Rogers Commission, which investigated the Space Shuttle Challenger disaster. In 2012, Armstrong died due to complications resulting from coronary bypass surgery, at the age of 82.

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Abu’l-Fath Jalal-ud-din Muhammad Akbar (October 1542– 27 October 1605), popularly known as Akbar the Great, (Akbar-i-azam اکبر اعظم), and also as Akbar I, was the third Mughal emperor, who reigned from 1556 to 1605. Akbar succeeded his father, Humayun, under a regent, Bairam Khan, who helped the young emperor expand and consolidate Mughal domains in India. Akbar was succeeded as emperor by his son, Prince Salim, later known as Jahangir.

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Aristotle (384–322 BC) was a Greek philosopher and polymath during the Classical period in Ancient Greece. Taught by Plato, he was the founder of the Lyceum, the Peripatetic school of philosophy, and the Aristotelian tradition. His writings cover many subjects including physics, biology, zoology, metaphysics, logic, ethics, aesthetics, poetry, theatre, music, rhetoric, psychology, linguistics, economics, politics, and government. Aristotle provided a complex synthesis of the various philosophies existing prior to him. It was above all from his teachings that the West inherited its intellectual lexicon, as well as problems and methods of inquiry. As a result, his philosophy has exerted a unique influence on almost every form of knowledge in the West and it continues to be a subject of contemporary philosophical discussion.
Little is known about his life. Aristotle was born in the city of Stagira in Northern Greece. His father, Nicomachus, died when Aristotle was a child, and he was brought up by a guardian. At seventeen or eighteen years of age he joined Plato’s Academy in Athens and remained there until the age of thirty-seven (c. 347 BC). Shortly after Plato died, Aristotle left Athens and, at the request of Philip II of Macedon, tutored Alexander the Great beginning in 343 BC. He established a library in the Lyceum which helped him to produce many of his hundreds of books on papyrus scrolls. Though Aristotle wrote many elegant treatises and dialogues for publication, only around a third of his original output has survived, none of it intended for publication.Aristotle’s views on physical science profoundly shaped medieval scholarship. Their influence extended from Late Antiquity and the Early Middle Ages into the Renaissance, and were not replaced systematically until the Enlightenment and theories such as classical mechanics were developed. Some of Aristotle’s zoological observations found in his biology, such as on the hectocotyl (reproductive) arm of the octopus, were disbelieved until the 19th century. His works contain the earliest known formal study of logic, studied by medieval scholars such as Peter Abelard and John Buridan. Aristotle’s influence on logic also continued well into the 19th century.
He influenced Judeo-Islamic philosophies (800–1400) during the Middle Ages, as well as Christian theology, especially the Neoplatonism of the Early Church and the scholastic tradition of the Catholic Church. Aristotle was revered among medieval Muslim scholars as “The First Teacher” and among medieval Christians like Thomas Aquinas as simply “The Philosopher”. His ethics, though always influential, gained renewed interest with the modern advent of virtue ethics, such as in the thinking of Alasdair MacIntyre and Philippa Foot.

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Karl Heinrich Marx ( 5 May 1818 – 14 March 1883) was a German philosopher, economist, historian, sociologist, political theorist, journalist and socialist revolutionary. Born in Trier, Germany, Marx studied law and philosophy at university. He married Jenny von Westphalen in 1843. Due to his political publications, Marx became stateless and lived in exile with his wife and children in London for decades, where he continued to develop his thought in collaboration with German thinker Friedrich Engels and publish his writings, researching in the reading room of the British Museum. His best-known titles are the 1848 pamphlet The Communist Manifesto and the three-volume Das Kapital (1867–1883). Marx’s political and philosophical thought had enormous influence on subsequent intellectual, economic and political history. His name has been used as an adjective, a noun and a school of social theory.
Marx’s critical theories about society, economics and politics, collectively understood as Marxism, hold that human societies develop through class conflict. In the capitalist mode of production, this manifests itself in the conflict between the ruling classes (known as the bourgeoisie) that control the means of production and the working classes (known as the proletariat) that enable these means by selling their labour power in return for wages. Employing a critical approach known as historical materialism, Marx predicted that capitalism produced internal tensions like previous socio-economic systems and that those would lead to its self-destruction and replacement by a new system known as the socialist mode of production. For Marx, class antagonisms under capitalism, owing in part to its instability and crisis-prone nature, would eventuate the working class’ development of class consciousness, leading to their conquest of political power and eventually the establishment of a classless, communist society constituted by a free association of producers. Marx actively pressed for its implementation, arguing that the working class should carry out organised proletarian revolutionary action to topple capitalism and bring about socio-economic emancipation.Marx has been described as one of the most influential figures in human history and his work has been both lauded and criticised. His work in economics laid the basis for much of the current understanding of labour and its relation to capital and subsequent economic thought. Many intellectuals, labour unions, artists and political parties worldwide have been influenced by Marx’s work, with many modifying or adapting his ideas. Marx is typically cited as one of the principal architects of modern social science.

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Sigmund Freud ( FROYD, 6 May 1856 – 23 September 1939) was an Austrian neurologist and the founder of psychoanalysis, a clinical method for treating psychopathology through dialogue between a patient and a psychoanalyst.Freud was born to Galician Jewish parents in the Moravian town of Freiberg, in the Austrian Empire. He qualified as a doctor of medicine in 1881 at the University of Vienna. Upon completing his habilitation in 1885, he was appointed a docent in neuropathology and became an affiliated professor in 1902. Freud lived and worked in Vienna, having set up his clinical practice there in 1886. In 1938, Freud left Austria to escape Nazi persecution. He died in exile in the United Kingdom in 1939.
In founding psychoanalysis, Freud developed therapeutic techniques such as the use of free association and discovered transference, establishing its central role in the analytic process. Freud’s redefinition of sexuality to include its infantile forms led him to formulate the Oedipus complex as the central tenet of psychoanalytical theory.

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John Harrison (3 April [O.S. 24 March] 1693 – 24 March 1776) was a self-educated English carpenter and clockmaker who invented the marine chronometer, a long-sought-after device for solving the problem of calculating longitude while at sea.
Harrison’s solution revolutionized navigation and greatly increased the safety of long-distance sea travel. The problem he solved was considered so important following the Scilly naval disaster of 1707 that the British Parliament offered financial rewards of up to £20,000 (equivalent to £3.17 million in 2021) under the 1714 Longitude Act.In 1730, Harrison presented his first design, and worked over many years on improved designs, making several advances in time-keeping technology, finally turning to what were called sea watches. Harrison gained support from the Longitude Board in building and testing his designs. Toward the end of his life, he received recognition and a reward from Parliament. Harrison came 39th in the BBC’s 2002 public poll of the 100 Greatest Britons.

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Lech Wałęsa (; Polish: [ˈlɛɣ vaˈwɛ̃sa] (listen); born 29 September 1943) is a Polish statesman, dissident, and Nobel Peace Prize laureate, who served as the President of Poland between 1990 and 1995. After winning the 1990 election, Wałęsa became the first democratically elected President of Poland since 1926 and the first-ever Polish President elected in popular vote. A shipyard electrician by trade, Wałęsa became the leader of the Solidarity movement, and led a successful pro-democratic effort which in 1989 ended the Communist rule in Poland and ushered in the end of the Cold War.While working at the Lenin Shipyard (now Gdańsk Shipyard), Wałęsa, an electrician, became a trade-union activist, for which he was persecuted by the Communist authorities, placed under surveillance, fired in 1976, and arrested several times. In August 1980, he was instrumental in political negotiations that led to the ground-breaking Gdańsk Agreement between striking workers and the government. He co-founded the Solidarity trade-union whose membership rose to over ten million people.After martial law in Poland was imposed and Solidarity was outlawed, Wałęsa was again arrested. Released from custody, he continued his activism and was prominent in the establishment of the Round Table Agreement that led to the semi-free 1989 Polish legislative election and a Solidarity-led government. He presided over Poland’s successful transition from Communism into a free-market liberal democracy, but his active role in Polish politics diminished after he narrowly lost the 1995 Polish presidential election. In 1995, he established the Lech Wałęsa Institute.Since 1980, Wałęsa has received hundreds of prizes, honors and awards from many countries of the world. He was named the Time Person of the Year (1981) and one of Time’s 100 most important people of the 20th century (1999). He has received over forty honorary degrees, including from Harvard University and Columbia University, as well as dozens of the highest state orders, including: the Presidential Medal of Freedom, the Knight Grand Cross of the British Order of the Bath, and the French Grand Cross of Legion of Honour. In 1989, Wałęsa was the first foreign non-head of state to address the Joint Meeting of the U.S. Congress. The Gdańsk Lech Wałęsa Airport bears his name since 2004.

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Sergey Mikhaylovich Brin (Russian: Серге́й Миха́йлович Брин; born August 21, 1973) is an American computer scientist and Internet entrepreneur. Together with Larry Page, he co-founded Google. Brin was the president of Google’s parent company, Alphabet Inc., until stepping down from the role on December 3, 2019. Brin and Page remain at Alphabet as co-founders, controlling shareholders, board members, and employees. As of July 2020, Brin is the 7th-richest person in the world, with an estimated net worth of US$68 billion.Brin immigrated to the United States with his family from the Soviet Union at the age of six. He earned his bachelor’s degree at the University of Maryland, College Park, following in his father’s and grandfather’s footsteps by studying mathematics, as well as computer science. After graduation, he enrolled in Stanford University to acquire a PhD in computer science. There he met Page, with whom he built a web search engine. The program became popular at Stanford, and they suspended their PhD studies to start up Google in Susan Wojcicki’s garage in Menlo Park.

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William Henry Gates III (born October 28, 1955) is an American business magnate, software developer, and philanthropist. He is best known as the co-founder of Microsoft Corporation. During his career at Microsoft, Gates held the positions of chairman, chief executive officer (CEO), president and chief software architect, while also being the largest individual shareholder until May 2014. He is one of the best-known entrepreneurs and pioneers of the microcomputer revolution of the 1970s and 1980s.
Born and raised in Seattle, Washington, Gates co-founded Microsoft with childhood friend Paul Allen in 1975, in Albuquerque, New Mexico; it went on to become the world’s largest personal computer software company. Gates led the company as chairman and CEO until stepping down as CEO in January 2000, but he remained chairman and became chief software architect. During the late 1990s, he had been criticized for his business tactics, which have been considered anti-competitive. This opinion has been upheld by numerous court rulings. In June 2006, Gates announced that he would be transitioning to a part-time role at Microsoft and full-time work at the Bill & Melinda Gates Foundation, the private charitable foundation that he and his wife, Melinda Gates, established in 2000. He gradually transferred his duties to Ray Ozzie and Craig Mundie. He stepped down as chairman of Microsoft in February 2014 and assumed a new post as technology adviser to support the newly appointed CEO Satya Nadella. In March 2020, Gates left his board positions at Microsoft and Berkshire Hathaway to focus on his philanthropic endeavors including climate change, global health and development, and education. Since 1987, he has been included in the Forbes list of the world’s wealthiest people. From 1995 to 2017, he held the Forbes title of the richest person in the world all but four of those years. In October 2017, he was surpassed by Amazon founder and CEO Jeff Bezos, who had an estimated net worth of US$90.6 billion compared to Gates’s net worth of US$89.9 billion at the time. As of November 2020, Gates had an estimated net worth of US$113.7 billion, making him the third-wealthiest person in the world, behind Bezos and Elon Musk. Later in his career and since leaving day-to-day operations at Microsoft in 2008, Gates has pursued a number of philanthropic endeavors. He has given sizable amounts of money to various charitable organizations and scientific research programs through the Bill & Melinda Gates Foundation, reported to be the world’s largest private charity. In 2009, Gates and Warren Buffett founded The Giving Pledge, whereby they and other billionaires pledge to give at least half of their wealth to philanthropy.

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Chandrasekhara Venkata Raman (7 November 1888 – 21 November 1970) was an Indian physicist who made groundbreaking works in the field of light scattering. With his student K. S. Krishnan, he discovered that when light traverses a transparent material, some of the deflected light change wavelength and amplitude. This phenomenon was a new type of scattering of light and was subsequently known as the Raman effect (Raman scattering). Raman won the 1930 Nobel Prize in Physics and was the first Asian person to receive a Nobel Prize in any branch of science.Born to Hindu Tamil Brahmin parents, Raman was a precocious child, completing his secondary and higher secondary education from St Aloysius’ Anglo-Indian High School at the ages of 11 and 13, respectively. He topped bachelor’s degree examination at the University of Madras with honours in physics from Presidency College at age 16. His first research paper, on diffraction of light, was published in 1906 while still a graduate student. The next year he obtained an M.A. degree. He was 19 years of age when he joined the Indian Finance Service in Kolkata as Assistant Accountant General. There he became acquainted with the Indian Association for the Cultivation of Science (IACS), the first research institute in India, which allowed him to do independent research and where he made his major contributions in acoustics and optics.
In 1917, he was appointed as the first Palit Professor of Physics by Ashutosh Mukherjee at the Rajabazar Science College under the University of Calcutta. On his first trip to Europe, seeing the Mediterranean Sea motivated him to correctly describe the reason for the blue colour of the sea as a phenomenon of diffraction. He founded the Indian Journal of Physics in 1926. He and Krishnan discovered on 28 February 1928 a novel phenomenon of light scattering, which they called “modified scattering,” but more famously known as the Raman effect. The day is celebrated by the Government of India as the National Science Day every year. Raman moved to the Indian Institute of Science in Bangalore in 1933 to become its first Indian Director. There he founded the Indian Academy of Sciences the same year. He established the Raman Research Institute in 1948 where he worked to his last days.
In 1954, the Government of India honoured him with the first Bharat Ratna (along with politician C. Rajagopalachari and philosopher Sarvepalli Radhakrishnan), its highest civilian award. He later smashed the medallion in protest against Prime Minister Jawaharlal Nehru’s policies on scientific research.

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Confucius ( 551–479 BC) was a Chinese philosopher and politician of the Spring and Autumn period who was traditionally considered the paragon of Chinese sages.
The philosophy of Confucius, also known as Confucianism, emphasized personal and governmental morality, correctness of social relationships, justice, kindness, and sincerity. Confucianism was part of the Chinese social fabric and way of life; to Confucians, everyday life was the arena of religion. His followers competed successfully with many other schools during the Hundred Schools of Thought era only to be suppressed in favor of the Legalists during the Qin dynasty. Following the victory of Han over Chu after the collapse of Qin, Confucius’s thoughts received official sanction in the new government. During the Tang and Song dynasties, Confucianism developed into a system known in the West as Neo-Confucianism, and later New Confucianism (Modern Neo-Confucianism).
Confucius is traditionally credited with having authored or edited many of the Chinese classic texts including all of the Five Classics, but modern scholars are cautious of attributing specific assertions to Confucius himself. Aphorisms concerning his teachings were compiled in the Analects, but only many years after his death.
Confucius’s principles have commonality with Chinese tradition and belief. He championed strong family loyalty, ancestor veneration, and respect of elders by their children and of husbands by their wives, recommending family as a basis for ideal government. He espoused the well-known principle “Do not do unto others what you do not want done to yourself”, the Golden Rule. He is also a traditional deity in Daoism.
Confucius is widely considered as one of the most important and influential individuals in human history. His teaching and philosophy greatly impacted people around the world and remain influential today.

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Albert Einstein (14 March 1879 – 18 April 1955) was a German-born theoretical physicist who developed the theory of relativity, one of the two pillars of modern physics (alongside quantum mechanics). His work is also known for its influence on the philosophy of science. He is best known to the general public for his mass–energy equivalence formula E = mc2, which has been dubbed “the world’s most famous equation”. He received the 1921 Nobel Prize in Physics “for his services to theoretical physics, and especially for his discovery of the law of the photoelectric effect”, a pivotal step in the development of quantum theory.
The son of a salesman who later operated an electrochemical factory, Einstein was born in the German Empire, but moved to Switzerland in 1895, forsaking his German citizenship the following year. Specializing in physics and mathematics, he received his academic teaching diploma from the Swiss Federal Polytechnic School in Zürich in 1900. The following year, he acquired Swiss citizenship, which he kept for his entire life. After initially struggling to find work, from 1902 to 1909 he was employed as a patent examiner at the Swiss Patent Office in Bern.
Near the beginning of his career, Einstein thought that the laws of classical mechanics could no longer be reconciled with those of the electromagnetic field. This led him to develop his special theory of relativity during his time as a patent clerk. In 1905, called his annus mirabilis (‘miracle year’), he published four groundbreaking papers which attracted the attention of the academic world; the first paper outlined the theory of the photoelectric effect, the second explained Brownian motion, the third introduced special relativity, and the fourth mass–energy equivalence. That year, at the age of 26, he was awarded a PhD by the University of Zurich.
Although initially treated with skepticism from many in the scientific community, Einstein’s works gradually came to be recognised as significant advancements. He was invited to teach theoretical physics at the University of Bern in 1908 and the following year moved to the University of Zurich, then in 1911 to Charles University in Prague before returning to ETH (the newly renamed Federal Polytechnic School) in Zürich in 1912. In 1914, he was elected to the Prussian Academy of Sciences in Berlin, where he remained for 19 years. Soon after publishing his work on special relativity, Einstein began working to extend the theory to gravitational fields; he then published a paper on general relativity in 1916, introducing his theory of gravitation. He continued to deal with problems of statistical mechanics and quantum theory, which led to his explanations of particle theory and the motion of molecules. He also investigated the thermal properties of light and the quantum theory of radiation, the basis of the laser, which laid the foundation of the photon theory of light. In 1917, he applied the general theory of relativity to model the structure of the universe.In 1933, while Einstein was visiting the United States, Adolf Hitler came to power. Because of his Jewish background, Einstein did not return to Germany. He settled in the United States and became an American citizen in 1940. On the eve of World War II, he endorsed a letter to President Franklin D. Roosevelt alerting him to the potential German nuclear weapons program and recommending that the US begin similar research. Einstein supported the Allies, but generally denounced the idea of nuclear weapons.
Einstein was affiliated with the Institute for Advanced Study in Princeton, New Jersey, until his death in 1955. He published more than 300 scientific papers and more than 150 non-scientific works. His intellectual achievements and originality have made the word “Einstein” synonymous with “genius”. Eugene Wigner compared him to his contemporaries, writing that “Einstein’s understanding was deeper even than Jancsi von Neumann’s. His mind was both more penetrating and more original than von Neumann’s.”

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Alexander Graham Bell ( March 3, 1847 – August 2, 1922) was a Scottish-born inventor, scientist, and engineer who is credited with inventing and patenting the first practical telephone. He also co-founded the American Telephone and Telegraph Company (AT&T) in 1885.Bell’s father, grandfather, and brother had all been associated with work on elocution and speech and both his mother and wife were deaf, profoundly influencing Bell’s life’s work. His research on hearing and speech further led him to experiment with hearing devices which eventually culminated in Bell being awarded the first U.S. patent for the telephone, on March 7, 1876. Bell considered his invention an intrusion on his real work as a scientist and refused to have a telephone in his study.Many other inventions marked Bell’s later life, including groundbreaking work in optical telecommunications, hydrofoils, and aeronautics. Although Bell was not one of the 33 founders of the National Geographic Society, he had a strong influence on the magazine while serving as the second president from January 7, 1898, until 1903.Beyond his scientific work, Bell was an advocate of compulsory sterilization and served as chairman or president of several eugenics organizations.

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Sir Isaac Newton (25 December 1642 – 20 March 1726/27) was an English mathematician, physicist, astronomer, theologian, and author (described in his own day as a “natural philosopher”) who is widely recognised as one of the most influential scientists of all time and as a key figure in the scientific revolution. His book Philosophiæ Naturalis Principia Mathematica (Mathematical Principles of Natural Philosophy), first published in 1687, established classical mechanics. Newton also made seminal contributions to optics, and shares credit with Gottfried Wilhelm Leibniz for developing the infinitesimal calculus.
In Principia, Newton formulated the laws of motion and universal gravitation that formed the dominant scientific viewpoint until it was superseded by the theory of relativity. Newton used his mathematical description of gravity to prove Kepler’s laws of planetary motion, account for tides, the trajectories of comets, the precession of the equinoxes and other phenomena, eradicating doubt about the Solar System’s heliocentricity. He demonstrated that the motion of objects on Earth and celestial bodies could be accounted for by the same principles. Newton’s inference that the Earth is an oblate spheroid was later confirmed by the geodetic measurements of Maupertuis, La Condamine, and others, convincing most European scientists of the superiority of Newtonian mechanics over earlier systems.
Newton built the first practical reflecting telescope and developed a sophisticated theory of colour based on the observation that a prism separates white light into the colours of the visible spectrum. His work on light was collected in his highly influential book Opticks, published in 1704. He also formulated an empirical law of cooling, made the first theoretical calculation of the speed of sound, and introduced the notion of a Newtonian fluid. In addition to his work on calculus, as a mathematician Newton contributed to the study of power series, generalised the binomial theorem to non-integer exponents, developed a method for approximating the roots of a function, and classified most of the cubic plane curves.
Newton was a fellow of Trinity College and the second Lucasian Professor of Mathematics at the University of Cambridge. He was a devout but unorthodox Christian who privately rejected the doctrine of the Trinity. Unusually for a member of the Cambridge faculty of the day, he refused to take holy orders in the Church of England. Beyond his work on the mathematical sciences, Newton dedicated much of his time to the study of alchemy and biblical chronology, but most of his work in those areas remained unpublished until long after his death. Politically and personally tied to the Whig party, Newton served two brief terms as Member of Parliament for the University of Cambridge, in 1689–90 and 1701–02. He was knighted by Queen Anne in 1705 and spent the last three decades of his life in London, serving as Warden (1696–1699) and Master (1699–1727) of the Royal Mint, as well as president of the Royal Society (1703–1727).

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Benjamin Franklin (January 17, 1706 [O.S. January 6, 1705] – April 17, 1790) was a British American polymath and one of the Founding Fathers of the United States. Franklin was a leading writer, printer, political philosopher, politician, Freemason, postmaster, scientist, inventor, humorist, civic activist, statesman, and diplomat. As a scientist, he was a major figure in the American Enlightenment and the history of physics for his discoveries and theories regarding electricity. As an inventor, he is known for the lightning rod, bifocals, and the Franklin stove, among other inventions. He founded many civic organizations, including the Library Company, Philadelphia’s first fire department, and the University of Pennsylvania.Franklin earned the title of “The First American” for his early and indefatigable campaigning for colonial unity, initially as an author and spokesman in London for several colonies. As the first United States ambassador to France, he exemplified the emerging American nation. Franklin was foundational in defining the American ethos as a marriage of the practical values of thrift, hard work, education, community spirit, self-governing institutions, and opposition to authoritarianism both political and religious, with the scientific and tolerant values of the Enlightenment. In the words of historian Henry Steele Commager, “In a Franklin could be merged the virtues of Puritanism without its defects, the illumination of the Enlightenment without its heat.” To Walter Isaacson, this makes Franklin “the most accomplished American of his age and the most influential in inventing the type of society America would become.”Franklin became a successful newspaper editor and printer in Philadelphia, the leading city in the colonies, publishing the Pennsylvania Gazette at the age of 23. He became wealthy publishing this and Poor Richard’s Almanack, which he authored under the pseudonym “Richard Saunders”. After 1767, he was associated with the Pennsylvania Chronicle, a newspaper that was known for its revolutionary sentiments and criticisms of the policies of the British Parliament and the Crown.
He pioneered and was the first president of Academy and College of Philadelphia which opened in 1751 and later became the University of Pennsylvania. He organized and was the first secretary of the American Philosophical Society and was elected president in 1769. Franklin became a national hero in America as an agent for several colonies when he spearheaded an effort in London to have the Parliament of Great Britain repeal the unpopular Stamp Act. An accomplished diplomat, he was widely admired among the French as American minister to Paris and was a major figure in the development of positive Franco–American relations. His efforts proved vital for the American Revolution in securing shipments of crucial munitions from France.
He was promoted to deputy postmaster-general for the British colonies on August 10, 1753, having been Philadelphia postmaster for many years, and this enabled him to set up the first national communications network. During the revolution, he became the first United States postmaster general. He was active in community affairs and colonial and state politics, as well as national and international affairs. From 1785 to 1788, he served as governor of Pennsylvania. He initially owned and dealt in slaves but, by the late 1750s, he began arguing against slavery, became an abolitionist, and promoted education and the integration of blacks in American Society.
His life and legacy of scientific and political achievement, and his status as one of America’s most influential Founding Fathers, have seen Franklin honored more than two centuries after his death on the fifty-cent piece, the $100 bill, warships, and the names of many towns, counties, educational institutions, and corporations, as well as numerous cultural references.

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George Washington Carver (1860s – January 5, 1943) was an American agricultural scientist and inventor who promoted alternative crops to cotton and methods to prevent soil depletion. He was the most prominent black scientist of the early 20th century.
While a professor at Tuskegee Institute, Carver developed techniques to improve soils depleted by repeated plantings of cotton. He wanted poor farmers to grow other crops, such as peanuts and sweet potatoes, as a source of their own food and to improve their quality of life. The most popular of his 44 practical bulletins for farmers contained 105 food recipes using peanuts. Although he spent years developing and promoting numerous products made from peanuts, none became commercially successful.Apart from his work to improve the lives of farmers, Carver was also a leader in promoting environmentalism. He received numerous honors for his work, including the Spingarn Medal of the NAACP. In an era of high racial polarization, his fame reached beyond the black community. He was widely recognized and praised in the white community for his many achievements and talents. In 1941, Time magazine dubbed Carver a “Black Leonardo”.Color film of Carver shot in 1937 at the Tuskegee Institute by African American surgeon Allen Alexander was added to the National Film Registry of the Library of Congress in 2019. The 12 minutes of footage includes Carver in his apartment, office and laboratory, as well as images of him tending flowers and displaying his paintings. The film was digitized by The National Archives as part of its multi-year effort to preserve and make available the historically significant film collections of the National Park Service. It can be seen on the US National Film Archives YouTube channel.

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Guru Nanak (born as Nanak on 15 April 1469 – 22 September 1539), also referred to as Baba Nanak (‘father Nanak’), was the founder of Sikhism and is the first of the ten Sikh Gurus. His birth is celebrated worldwide as Guru Nanak Gurpurab on Katak Pooranmashi (‘full-moon of the Katak’), i.e. October–November.
Nanak is said to have travelled far and wide across Asia teaching people the message of ik onkar (ੴ, ‘one God’), who dwells in every one of his creations and constitutes the eternal Truth. With this concept, he would set up a unique spiritual, social, and political platform based on equality, fraternal love, goodness, and virtue.Nanak’s words are registered in the form of 974 poetic hymns, or shabda, in the holy text of Sikhism, the Guru Granth Sahib, with some of the major prayers being the Japji Sahib (jap, ‘to recite’; ji and sahib are suffixes signifying respect); the Asa di Var (‘ballad of hope’); and the Sidh Gohst (‘discussion with the Siddhas’). It is part of Sikh religious belief that the spirit of Nanak’s sanctity, divinity, and religious authority had descended upon each of the nine subsequent Gurus when the Guruship was devolved on to them.

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Alessandro Giuseppe Antonio Anastasio Volta (18 February 1745 – 5 March 1827) was an Italian physicist, chemist, and pioneer of electricity and power who is credited as the inventor of the electric battery and the discoverer of methane. He invented the Voltaic pile in 1799, and reported the results of his experiments in 1800 in a two-part letter to the President of the Royal Society. With this invention Volta proved that electricity could be generated chemically and debunked the prevalent theory that electricity was generated solely by living beings. Volta’s invention sparked a great amount of scientific excitement and led others to conduct similar experiments which eventually led to the development of the field of electrochemistry.Volta also drew admiration from Napoleon Bonaparte for his invention, and was invited to the Institute of France to demonstrate his invention to the members of the Institute. Volta enjoyed a certain amount of closeness with the emperor throughout his life and he was conferred numerous honours by him. Volta held the chair of experimental physics at the University of Pavia for nearly 40 years and was widely idolised by his students.Despite his professional success, Volta tended to be a person inclined towards domestic life and this was more apparent in his later years.

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Ibn Sina, also known as Abu Ali Sina, Pur Sina, and often known in the West as Avicenna (c. 980 – June 1037), was a Persian polymath who is regarded as one of the most significant physicians, astronomers, thinkers and writers of the Islamic Golden Age, and the father of early modern medicine. Sajjad H. Rizvi has called Avicenna “arguably the most influential philosopher of the pre-modern era”. He was a Muslim Peripatetic philosopher influenced by Aristotelian philosophy. Of the 450 works he is believed to have written, around 240 have survived, including 150 on philosophy and 40 on medicine.His most famous works are The Book of Healing, a philosophical and scientific encyclopedia, and The Canon of Medicine, a medical encyclopedia which became a standard medical text at many medieval universities and remained in use as late as 1650.Besides philosophy and medicine, Avicenna’s corpus includes writings on astronomy, alchemy, geography and geology, psychology, Islamic theology, logic, mathematics, physics and works of poetry.

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Edwin Powell Hubble (November 20, 1889 – September 28, 1953) was an American astronomer. He played a crucial role in establishing the fields of extragalactic astronomy and observational cosmology.Hubble proved that many objects previously thought to be clouds of dust and gas and classified as “nebulae” were actually galaxies beyond the Milky Way. He used the strong direct relationship between a classical Cepheid variable’s luminosity and pulsation period (discovered in 1908 by Henrietta Swan Leavitt) for scaling galactic and extragalactic distances.Hubble provided evidence that the recessional velocity of a galaxy increases with its distance from the Earth, a property now known as “Hubble’s law”, despite the fact that it had been both proposed and demonstrated observationally two years earlier by Georges Lemaître. The Hubble–Lemaître law implies that the universe is expanding. A decade before, the American astronomer Vesto Slipher had provided the first evidence that the light from many of these nebulae was strongly red-shifted, indicative of high recession velocities.Hubble’s name is most widely recognized for the Hubble Space Telescope, which was named in his honor, with a model prominently displayed in his hometown of Marshfield, Missouri.

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Lorenzo Romano Amedeo Carlo Avogadro, Count of Quaregna and Cerreto ( 9 August 1776 – 9 July 1856) was an Italian scientist, most noted for his contribution to molecular theory now known as Avogadro’s law, which states that equal volumes of gases under the same conditions of temperature and pressure will contain equal numbers of molecules. In tribute to him, the number of elementary entities (atoms, molecules, ions or other particles) in 1 mole of a substance, 6.02214076×1023, is known as the Avogadro constant, one of the seven SI base units and represented by NA.

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John Bardeen (; May 23, 1908 – January 30, 1991) was an American physicist. He is the only person to be awarded the Nobel Prize in Physics twice: first in 1956 with William Shockley and Walter Brattain for the invention of the transistor; and again in 1972 with Leon N Cooper and John Robert Schrieffer for a fundamental theory of conventional superconductivity known as the BCS theory.The transistor revolutionized the electronics industry, making possible the development of almost every modern electronic device, from telephones to computers, and ushering in the Information Age. Bardeen’s developments in superconductivity—for which he was awarded his second Nobel Prize—are used in nuclear magnetic resonance spectroscopy (NMR) and medical magnetic resonance imaging (MRI).
Born and raised in Wisconsin, Bardeen received a PhD in physics from Princeton University. After serving in World War II, he was a researcher at Bell Labs, and a professor at the University of Illinois. In 1990, Bardeen appeared on Life magazine’s list of “100 Most Influential Americans of the Century.”

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John Dalton FRS ( 6 September 1766 – 27 July 1844) was an English chemist, physicist and meteorologist. He is best known for introducing the atomic theory into chemistry, and for his research into colour blindness, sometimes referred to as Daltonism in his honour. Dalton was the first scientist to use the term atom for the smallest particle of matter, which originated from Greek word ‘atomos’ meaning cannot be divided further.

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Sir Humphry Davy, 1st Baronet (17 December 1778 – 29 May 1829) was a Cornish chemist and inventor, who is best remembered today for isolating, by using electricity, a series of elements for the first time: potassium and sodium in 1807 and calcium, strontium, barium, magnesium and boron the following year, as well as discovering the elemental nature of chlorine and iodine. Davy also studied the forces involved in these separations, inventing the new field of electrochemistry.
In 1799, he experimented with nitrous oxide and was astonished at how it made him laugh, so he nicknamed it “laughing gas” and wrote about its potential anaesthetic properties in relieving pain during surgery. He also invented the Davy lamp and a very early form of arc lamp.
Davy was a baronet, President of the Royal Society (PRS), Member of the Royal Irish Academy (MRIA), and Fellow of the Geological Society (FGS). Berzelius called Davy’s 1806 Bakerian Lecture On Some Chemical Agencies of Electricity “one of the best memoirs which has ever enriched the theory of chemistry.”

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Linus Carl Pauling ( February 28, 1901 – August 19, 1994) was an American chemist, biochemist, chemical engineer, peace activist, author, and educator. He published more than 1,200 papers and books, of which about 850 dealt with scientific topics. New Scientist called him one of the 20 greatest scientists of all time, and as of 2000, he was rated the 16th most important scientist in history. For his scientific work, Pauling was awarded the Nobel Prize in Chemistry in 1954. For his peace activism, he was awarded the Nobel Peace Prize in 1962. He is one of four individuals to have won more than one Nobel Prize (the others being Marie Curie, John Bardeen and Frederick Sanger). Of these, he is the only person to have been awarded two unshared Nobel Prizes, and one of two people to be awarded Nobel Prizes in different fields, the other being Marie Curie. He was married to the American human rights activist Ava Helen Pauling.
Pauling was one of the founders of the fields of quantum chemistry and molecular biology. His contributions to the theory of the chemical bond include the concept of orbital hybridisation and the first accurate scale of electronegativities of the elements.

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Blaise Pascal ( 19 June 1623 – 19 August 1662) was a French mathematician, physicist, inventor, philosopher, writer and Catholic theologian.
He was a child prodigy who was educated by his father, a tax collector in Rouen. Pascal’s earliest mathematical work was on the conics sections; he wrote a significant treatise on the subject of projective geometry at the age of 16. He later corresponded with Pierre de Fermat on probability theory, strongly influencing the development of modern economics and social science. In 1642, while still a teenager, he started some pioneering work on calculating machines (called Pascal’s calculators and later Pascalines), establishing him as one of the first two inventors of the mechanical calculator.He also worked in the natural and applied sciences, where he made important contributions to the study of fluids, and clarified the concepts of pressure and vacuum by generalising the work of Evangelista Torricelli. Following Galileo Galilei and Torricelli, in 1647, he rebutted Aristotle’s followers who insisted that nature abhors a vacuum. Pascal’s results caused many disputes before being accepted. Pascal also wrote in defense of the scientific method.

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Enrico Fermi ( 29 September 1901 – 28 November 1954) was an Italian (later naturalized American) physicist and the creator of the world’s first nuclear reactor, the Chicago Pile-1. He has been called the “architect of the nuclear age” and the “architect of the atomic bomb”. He was one of very few physicists to excel in both theoretical physics and experimental physics. Fermi was awarded the 1938 Nobel Prize in Physics for his work on induced radioactivity by neutron bombardment and for the discovery of transuranium elements. With his colleagues, Fermi filed several patents related to the use of nuclear power, all of which were taken over by the US government. He made significant contributions to the development of statistical mechanics, quantum theory, and nuclear and particle physics.
Fermi’s first major contribution involved the field of statistical mechanics. After Wolfgang Pauli formulated his exclusion principle in 1925, Fermi followed with a paper in which he applied the principle to an ideal gas, employing a statistical formulation now known as Fermi–Dirac statistics. Today, particles that obey the exclusion principle are called “fermions”.

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Sir Timothy John Berners-Lee (born 8 June 1955), also known as TimBL, is an English computer scientist best known as the inventor of the World Wide Web. He is a Professorial Fellow of Computer Science at the University of Oxford and a professor at the Massachusetts Institute of Technology (MIT). Berners-Lee proposed an information management system on 12 March 1989, then implemented the first successful communication between a Hypertext Transfer Protocol (HTTP) client and server via the Internet in mid-November.Berners-Lee is the director of the World Wide Web Consortium (W3C) which oversees the continued development of the Web. He is also the founder of the World Wide Web Foundation and is a senior researcher and holder of the 3Com founders chair at the MIT Computer Science and Artificial Intelligence Laboratory (CSAIL). He is a director of the Web Science Research Initiative (WSRI) and a member of the advisory board of the MIT Center for Collective Intelligence. In 2011, he was named as a member of the board of trustees of the Ford Foundation. He is a founder and president of the Open Data Institute and is currently an advisor at social network MeWe.

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James Dewey Watson KBE (born April 6, 1928) is an American molecular biologist, geneticist and zoologist. In 1953, he co-authored with Francis Crick the academic paper proposing the double helix structure of the DNA molecule. Watson, Crick and Maurice Wilkins were awarded the 1962 Nobel Prize in Physiology or Medicine “for their discoveries concerning the molecular structure of nucleic acids and its significance for information transfer in living material”. In subsequent years, it has been recognized that Watson and his colleagues did not properly attribute colleague Rosalind Franklin for her contributions to the discovery of the double helix structure.Watson earned degrees at the University of Chicago (BS, 1947) and Indiana University (PhD, 1950). Following a post-doctoral year at the University of Copenhagen with Herman Kalckar and Ole Maaløe, Watson worked at the University of Cambridge’s Cavendish Laboratory in England, where he first met his future collaborator Francis Crick. From 1956 to 1976, Watson was on the faculty of the Harvard University Biology Department, promoting research in molecular biology.

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Johannes Kepler ( 27 December 1571 – 15 November 1630) was a German astronomer, mathematician, and astrologer. He is a key figure in the 17th-century scientific revolution, best known for his laws of planetary motion, and his books Astronomia nova, Harmonices Mundi, and Epitome Astronomiae Copernicanae. These works also provided one of the foundations for Newton’s theory of universal gravitation.
Kepler was a mathematics teacher at a seminary school in Graz, where he became an associate of Prince Hans Ulrich von Eggenberg. Later he became an assistant to the astronomer Tycho Brahe in Prague, and eventually the imperial mathematician to Emperor Rudolf II and his two successors Matthias and Ferdinand II. He also taught mathematics in Linz, and was an adviser to General Wallenstein. Additionally, he did fundamental work in the field of optics, invented an improved version of the refracting (or Keplerian) telescope, and was mentioned in the telescopic discoveries of his contemporary Galileo Galilei. He was a corresponding member of the Accademia dei Lincei in Rome.

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John von Neumann ( December 28, 1903 – February 8, 1957) was a Hungarian-American mathematician, physicist, computer scientist, engineer and polymath. Von Neumann was generally regarded as the foremost mathematician of his time and said to be “the last representative of the great mathematicians”. He integrated pure and applied sciences.

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Charles Robert Darwin ( 12 February 1809 – 19 April 1882) was an English naturalist, geologist and biologist, best known for his contributions to the science of evolution. His proposition that all species of life have descended over time from common ancestors is now widely accepted, and considered a foundational concept in science. In a joint publication with Alfred Russel Wallace, he introduced his scientific theory that this branching pattern of evolution resulted from a process that he called natural selection, in which the struggle for existence has a similar effect to the artificial selection involved in selective breeding. Darwin has been described as one of the most influential figures in human history, and he was honoured by burial in Westminster Abbey.Darwin published his theory of evolution with compelling evidence in his 1859 book On the Origin of Species. By the 1870s, the scientific community and a majority of the educated public had accepted evolution as a fact. However, many favoured competing explanations which gave only a minor role to natural selection, and it was not until the emergence of the modern evolutionary synthesis from the 1930s to the 1950s that a broad consensus developed in which natural selection was the basic mechanism of evolution.

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Ernest Rutherford, 1st Baron Rutherford of Nelson, (30 August 1871 – 19 October 1937) was a New Zealand physicist who came to be known as the father of nuclear physics. Encyclopædia Britannica considers him to be the greatest experimentalist since Michael Faraday (1791–1867). Like all New Zealanders at this time, he was a British subject, and spent much of his career in the United Kingdom.
In early work, Rutherford discovered the concept of radioactive half-life, the radioactive element radon, and differentiated and named alpha and beta radiation. This work was performed at McGill University in Montreal, Quebec, Canada. It is the basis for the Nobel Prize in Chemistry he was awarded in 1908 “for his investigations into the disintegration of the elements, and the chemistry of radioactive substances”, for which he was the first Canadian and Oceanian Nobel laureate.

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Gottfried Wilhelm (von) Leibniz ( 1 July 1646 [O.S. 21 June] – 14 November 1716) was a prominent German polymath and one of the most important logicians, mathematicians and natural philosophers of the Enlightenment. As a representative of the seventeenth-century tradition of rationalism, Leibniz developed, as his most prominent accomplishment, the ideas of differential and integral calculus, independently of Isaac Newton’s contemporaneous developments. Mathematical works have consistently favored Leibniz’s notation as the conventional expression of calculus. It was only in the 20th century that Leibniz’s law of continuity and transcendental law of homogeneity found mathematical implementation (by means of non-standard analysis). He became one of the most prolific inventors in the field of mechanical calculators. While working on adding automatic multiplication and division to Pascal’s calculator, he was the first to describe a pinwheel calculator in 1685 and invented the Leibniz wheel, used in the arithmometer, the first mass-produced mechanical calculator. He also refined the binary number system, which is the foundation of nearly all digital (electronic, solid-state, discrete logic) computers, including the Von Neumann machine, which is the standard design paradigm, or “computer architecture”, followed from the second half of the 20th century, and into the 21st.

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James Clerk Maxwell (13 June 1831 – 5 November 1879) was a Scottish scientist in the field of mathematical physics. His most notable achievement was to formulate the classical theory of electromagnetic radiation, bringing together for the first time electricity, magnetism, and light as different manifestations of the same phenomenon. Maxwell’s equations for electromagnetism have been called the “second great unification in physics” where the first one had been realised by Isaac Newton.
With the publication of “A Dynamical Theory of the Electromagnetic Field” in 1865, Maxwell demonstrated that electric and magnetic fields travel through space as waves moving at the speed of light. He proposed that light is an undulation in the same medium that is the cause of electric and magnetic phenomena. The unification of light and electrical phenomena led his prediction of the existence of radio waves. Maxwell is also regarded as a founder of the modern field of electrical engineering.He helped develop the Maxwell–Boltzmann distribution, a statistical means of describing aspects of the kinetic theory of gases. He is also known for presenting the first durable colour photograph in 1861 and for his foundational work on analysing the rigidity of rod-and-joint frameworks (trusses) like those in many bridges.

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Antonie Philips van Leeuwenhoek ( 24 October 1632 – 26 August 1723) was a Dutch businessman and scientist in the Golden Age of Dutch science and technology. A largely self-taught man in science, he is commonly known as “the Father of Microbiology”, and one of the first microscopists and microbiologists. Van Leeuwenhoek is best known for his pioneering work in microscopy and for his contributions toward the establishment of microbiology as a scientific discipline.
Raised in Delft, Dutch Republic, van Leeuwenhoek worked as a draper in his youth and founded his own shop in 1654. He became well recognized in municipal politics and developed an interest in lensmaking. In the 1670s, he started to explore microbial life with his microscope. This was one of the notable achievements of the Golden Age of Dutch exploration and discovery (c. 1590s–1720s).

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Mahavira, also known as Vardhamana or Kevala was the 24th Tirthankara of Jainism. He was the spiritual successor of 23rd Tirthankara Parshvanatha. Mahavira was born in the early part of the 6th century BC into a royal Kshatriya Jain family in Bihar, India. His mother’s name was Trishala and father’s name was Siddhartha. They were lay devotees of Parshvanatha. Mahavira abandoned all worldly possessions at the age of about 30 and left home in pursuit of spiritual awakening, becoming an ascetic. Mahavira practiced intense meditation and severe austerities for 12 and half years, after which he attained Kevala Gyan (omniscience). He preached for 30 years and attained Moksha (salvation) in the 6th century BC, although the year varies by sect.
Historically, Mahavira, who preached Jainism in ancient India, was an older contemporary of Gautama Buddha. Scholars variously date him from 6th-5th century BC and his place of birth is also a point of dispute among them.
Mahavira taught that observance of the vows of ahimsa (non-violence), satya (truth), asteya (non-stealing), brahmacharya (chastity), and aparigraha (non-attachment) are necessary for spiritual liberation. He taught the principles of Anekantavada (many-sided reality): syadvada and nayavada. Mahavira’s teachings were compiled by Indrabhuti Gautama (his chief disciple) as the Jain Agamas.

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Rajneesh (born Chandra Mohan Jain, 11 December 1931 – 19 January 1990), also known as Acharya Rajneesh, Bhagwan Shri Rajneesh, and later as Osho, was an Indian godman, mystic, and founder of the Rajneesh movement.
During his lifetime, he was viewed as a controversial new religious movement leader and mystic. In the 1960s, he travelled throughout India as a public speaker and was a vocal critic of socialism, arguing that India was not ready for socialism, and that socialism, communism, and anarchism could evolve only when capitalism had reached its maturity. Rajneesh also criticised Mahatma Gandhi and the orthodoxy of mainstream religions. Rajneesh emphasised the importance of meditation, mindfulness, love, celebration, courage, creativity, and humour—qualities that he viewed as being suppressed by adherence to static belief systems, religious tradition, and socialisation. In advocating a more open attitude to human sexuality he caused controversy in India during the late 1960s and became known as “the sex guru”.In 1970, Rajneesh spent time in Mumbai initiating followers known as “neo-sannyasins”. During this period he expanded his spiritual teachings and commented extensively in discourses on the writings of religious traditions, mystics, bhakti poets, and philosophers from around the world. In 1974, Rajneesh relocated to Pune, where an ashram was established and a variety of therapies, incorporating methods first developed by the Human Potential Movement, were offered to a growing Western following.

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Ambroise Paré (c. 1510 – 20 December 1590) was a French barber surgeon who served in that role for kings Henry II, Francis II, Charles IX and Henry III. He is considered one of the fathers of surgery and modern forensic pathology and a pioneer in surgical techniques and battlefield medicine, especially in the treatment of wounds. He was also an anatomist, invented several surgical instruments, and was a member of the Parisian barber surgeon guild.
In his personal notes about the care he delivered to Captain Rat, in the Piémont campaign (1537–1538), Paré wrote: Je le pansai, Dieu le guérit (“I bandaged him and God healed him”). This epitomises a philosophy that he used throughout his career. These words, inscribed on his statue in Laval, are reminiscent of the Latin adage medicus curat, natura sanat.

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Andreas Vesalius (; 31 December 1514 – 15 October 1564) was a 16th-century anatomist, physician, and author of one of the most influential books on human anatomy, De Humani Corporis Fabrica Libri Septem (On the fabric of the human body in seven books). Vesalius is often referred to as the founder of modern human anatomy. He was born in Brussels, which was then part of the Habsburg Netherlands. He was a professor at the University of Padua (1537–1542) and later became Imperial physician at the court of Emperor Charles V.
Andreas Vesalius is the Latinized form of the Dutch Andries van Wesel. It was a common practice among European scholars in his time to Latinize their names. His name is also given as Andrea Vesalius, André Vésale, Andrea Vesalio, Andreas Vesal, André Vesalio and Andre Vesale.

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André-Marie Ampère (UK: , US: ; French: [ɑ̃pɛʁ]; 20 January 1775 – 10 June 1836) was a French physicist and mathematician who was one of the founders of the science of classical electromagnetism, which he referred to as “electrodynamics”. He is also the inventor of numerous applications, such as the solenoid (a term coined by him) and the electrical telegraph. As an autodidact, Ampère was a member of the French Academy of Sciences and professor at the École polytechnique and the Collège de France.
The SI unit of measurement of electric current, the ampere, is named after him. His name is also one of the 72 names inscribed on the Eiffel Tower.

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Antoine Henri Becquerel (; 15 December 1852 – 25 August 1908) was a French engineer, physicist, Nobel laureate, and the first person to discover evidence of radioactivity. For work in this field he, along with Marie Skłodowska-Curie (Marie Curie) and Pierre Curie, received the 1903 Nobel Prize in Physics. The SI unit for radioactivity, the becquerel (Bq), is named after him.

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Catherine II (born Sophie of Anhalt-Zerbst; 2 May 1729 in Stettin – 17 November 1796 in Saint Petersburg), most commonly known as Catherine the Great, was Empress of Russia from 1762 until 1796 – the country’s longest-ruling female leader. She came to power following a coup d’état that overthrew her husband and second cousin, Peter III. Under her reign, Russia grew larger, its culture was revitalised, and it was recognised as one of the great powers of Europe.
In her accession to power and her rule of the empire, Catherine often relied on her noble favourites, most notably Count Grigory Orlov and Grigory Potemkin. Assisted by highly successful generals such as Alexander Suvorov and Pyotr Rumyantsev, and admirals such as Samuel Greig and Fyodor Ushakov, she governed at a time when the Russian Empire was expanding rapidly by conquest and diplomacy. In the south, the Crimean Khanate was crushed following victories over the Bar confederation and Ottoman Empire in the Russo-Turkish War, 1768–1774 due to the support of the United Kingdom, and Russia colonised the territories of Novorossiya along the coasts of the Black and Azov Seas. In the west, the Polish–Lithuanian Commonwealth, ruled by Catherine’s former lover, King Stanisław August Poniatowski, was eventually partitioned, with the Russian Empire gaining the largest share. In the east, Russians became the first Europeans to colonise Alaska, establishing Russian America.
Catherine reformed the administration of Russian guberniyas (governorates), and many new cities and towns were founded on her orders. An admirer of Peter the Great, Catherine continued to modernise Russia along Western European lines. However, military conscription and the economy continued to depend on serfdom, and the increasing demands of the state and of private landowners intensified the exploitation of serf labour. This was one of the chief reasons behind rebellions, including the large-scale Pugachev Rebellion of Cossacks, nomads, peoples of Volga and peasants.
The period of Catherine the Great’s rule, the Catherinian Era, is considered a Golden Age of Russia. The Manifesto on Freedom of the Nobility, issued during the short reign of Peter III and confirmed by Catherine, freed Russian nobles from compulsory military or state service. Construction of many mansions of the nobility, in the classical style endorsed by the empress, changed the face of the country. She enthusiastically supported the ideals of the Enlightenment and is often included in the ranks of the enlightened despots. As a patron of the arts, she presided over the age of the Russian Enlightenment, including the establishment of the Smolny Institute of Noble Maidens, the first state-financed higher education institution for women in Europe.

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Charles Babbage (; 26 December 1791 – 18 October 1871) was an English polymath. A mathematician, philosopher, inventor and mechanical engineer, Babbage originated the concept of a digital programmable computer.Babbage is considered by some to be “father of the computer”. Babbage is credited with inventing the first mechanical computer, the Difference Engine, that eventually led to more complex electronic designs, though all the essential ideas of modern computers are to be found in Babbage’s Analytical Engine, programmed using a principle openly borrowed from the Jacquard loom. Babbage had a broad range of interests in addition to his work on computers covered in his book Economy of Manufactures and Machinery. His varied work in other fields has led him to be described as “pre-eminent” among the many polymaths of his century.Babbage, who died before the complete successful engineering of many of his designs, including his Difference Engine and Analytical Engine, remained a prominent figure in the ideating of computing. Parts of Babbage’s incomplete mechanisms are on display in the Science Museum in London. In 1991, a functioning difference engine was constructed from Babbage’s original plans. Built to tolerances achievable in the 19th century, the success of the finished engine indicated that Babbage’s machine would have worked.

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Sir Charles Spencer Chaplin (16 April 1889 – 25 December 1977) was an English comic actor, filmmaker, and composer who rose to fame in the era of silent film. He became a worldwide icon through his screen persona, The Tramp, and is considered one of the most important figures in the history of the film industry. His career spanned more than 75 years, from childhood in the Victorian era until a year before his death in 1977, and encompassed both adulation and controversy.
Chaplin’s childhood in London was one of poverty and hardship, as his father was absent and his mother struggled financially, and he was sent to a workhouse twice before the age of nine. When he was 14, his mother was committed to a mental asylum. Chaplin began performing at an early age, touring music halls and later working as a stage actor and comedian. At 19, he was signed to the prestigious Fred Karno company, which took him to America. He was scouted for the film industry and began appearing in 1914 for Keystone Studios. He soon developed the Tramp persona and formed a large fan base. He directed his own films and continued to hone his craft as he moved to the Essanay, Mutual, and First National corporations. By 1918, he was one of the best-known figures in the world.
In 1919, Chaplin co-founded the distribution company United Artists, which gave him complete control over his films. His first feature-length film was The Kid (1921), followed by A Woman of Paris (1923), The Gold Rush (1925), and The Circus (1928). He initially refused to move to sound films in the 1930s, instead producing City Lights (1931) and Modern Times (1936) without dialogue. He became increasingly political, and his first sound film was The Great Dictator (1940), which satirised Adolf Hitler. The 1940s were a decade marked with controversy for Chaplin, and his popularity declined rapidly. He was accused of communist sympathies, and some members of the press and public found his involvement in a paternity suit, and marriages to much younger women, scandalous. An FBI investigation was opened, and Chaplin was forced to leave the United States and settle in Switzerland. He abandoned the Tramp in his later films, which include Monsieur Verdoux (1947), Limelight (1952), A King in New York (1957), and A Countess from Hong Kong (1967).
Chaplin wrote, directed, produced, edited, starred in, and composed the music for most of his films. He was a perfectionist, and his financial independence enabled him to spend years on the development and production of a picture. His films are characterised by slapstick combined with pathos, typified in the Tramp’s struggles against adversity. Many contain social and political themes, as well as autobiographical elements. He received an Honorary Academy Award for “the incalculable effect he has had in making motion pictures the art form of this century” in 1972, as part of a renewed appreciation for his work. He continues to be held in high regard, with The Gold Rush, City Lights, Modern Times, and The Great Dictator often ranked on lists of the greatest films of all time.

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Dmitri Ivanovich Mendeleev (sometimes transliterated as Mendeleyev or Mendeleef) (English: MEN-dəl-AY-əf; Russian: Дмитрий Иванович Менделеев, tr. Dmitriy Ivanovich Mendeleyev, IPA: [ˈdmʲitrʲɪj ɪˈvanəvʲɪtɕ mʲɪnʲdʲɪˈlʲejɪf] (listen); 8 February 1834 – 2 February 1907 [OS 27 January 1834 – 20 January 1907]) was a Russian chemist and inventor. He is best remembered for formulating the Periodic Law and creating a farsighted version of the periodic table of elements. He used the Periodic Law not only to correct the then-accepted properties of some known elements, such as the valence and atomic weight of uranium, but also to predict the properties of three elements that were yet to be discovered.

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Dorothea Lynde Dix (April 4, 1802 – July 17, 1887) was an American advocate on behalf of the indigent mentally ill who, through a vigorous and sustained program of lobbying state legislatures and the United States Congress, created the first generation of American mental asylums. During the Civil War, she served as a Superintendent of Army Nurses.

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Edward Jenner, (17 May 1749 – 26 January 1823) was an English physician and scientist who pioneered the concept of vaccines including creating the smallpox vaccine, the world’s first ever vaccine. The terms vaccine and vaccination are derived from Variolae vaccinae (‘smallpox of the cow’), the term devised by Jenner to denote cowpox. He used it in 1798 in the long title of his Inquiry into the Variolae vaccinae known as the Cow Pox, in which he described the protective effect of cowpox against smallpox.In the West, Jenner is often called “the father of immunology”, and his work is said to have “saved more lives than the work of any other human”. In Jenner’s time, smallpox killed around 10% of the population, with the number as high as 20% in towns and cities where infection spread more easily. In 1821, he was appointed physician extraordinary to King George IV, and was also made mayor of Berkeley and justice of the peace. A member of the Royal Society, in the field of zoology he was among the first to describe the brood parasitism of the cuckoo (Aristotle also noted this behavior in History of Animals). In 2002, Jenner was named in the BBC’s list of the 100 Greatest Britons.

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Elias Howe Jr. (; July 9, 1819 – October 3, 1867) was an American inventor best known for his creation of the modern lockstitch sewing machine.

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Emmeline Pankhurst (née Goulden; 15 July 1858 – 14 June 1928) was an English political activist. She is best remembered for organizing the UK suffragette movement and helping women win the right to vote. In 1999, Time named her as one of the 100 Most Important People of the 20th Century, stating that “she shaped an idea of objects for our time” and “shook society into a new pattern from which there could be no going back”. She was widely criticised for her militant tactics, and historians disagree about their effectiveness, but her work is recognised as a crucial element in achieving women’s suffrage in the United Kingdom.Born in the Moss Side district of Manchester to politically active parents, Pankhurst was introduced at the age of 14 to the women’s suffrage movement. She founded and became involved with the Women’s Franchise League, which advocated suffrage for both married and unmarried women. When that organisation broke apart, she tried to join the left-leaning Independent Labour Party through her friendship with socialist Keir Hardie but was initially refused membership by the local branch on account of her sex. While working as a Poor Law Guardian, she was shocked at the harsh conditions she encountered in Manchester’s workhouses.
In 1903 Pankhurst founded the Women’s Social and Political Union (WSPU), an all-women suffrage advocacy organisation dedicated to “deeds, not words” . The group identified as independent from – and often in opposition to – political parties. It became known for physical confrontations: its members smashed windows and assaulted police officers. Pankhurst, her daughters, and other WSPU activists received repeated prison sentences, where they staged hunger strikes to secure better conditions, and were often force-fed. As Pankhurst’s eldest daughter Christabel took leadership of the WSPU, antagonism between the group and the government grew. Eventually the group adopted arson as a tactic, and more moderate organisations spoke out against the Pankhurst family. In 1913 several prominent individuals left the WSPU, among them Pankhurst’s younger daughters, Adela and Sylvia. Emmeline was so furious that she “gave [Adela] a ticket, £20, and a letter of introduction to a suffragette in Australia, and firmly insisted that she emigrate”. Adela complied and the family rift was never healed. Sylvia became a socialist.
With the advent of the First World War, Emmeline and Christabel called an immediate halt to the militant terrorism in support of the British government’s stand against the “German Peril”. Emmeline organised and led a massive procession called the Women’s Right to Serve demonstration to illustrate women’s contribution to the war effort. Emmeline and Christabel urged women to aid industrial production and encouraged young men to fight, becoming prominent figures in the white feather movement. In 1918, the Representation of the People Act granted votes to all men over the age of 21 and women over the age of 30. This discrepancy was intended to ensure that men did not become minority voters as a consequence of the huge number of deaths suffered during the First World War.She transformed the WSPU machinery into the Women’s Party, which was dedicated to promoting women’s equality in public life. In her later years, she became concerned with what she perceived as the menace posed by Bolshevism and joined the Conservative Party. She was selected as the Conservative candidate for Whitechapel and St Georges in 1927. She died on 14 June 1928, only weeks before the Conservative government’s Representation of the People (Equal Franchise) Act 1928 extended the vote to all women over 21 years of age on 2 July 1928. She was commemorated two years later with a statue in Victoria Tower Gardens, next to the Houses of Parliament.

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Fidel Alejandro Castro Ruz (; American Spanish: [fiˈðel aleˈxandɾo ˈkastɾo ˈrus]; 13 August 1926 – 25 November 2016) was a Cuban revolutionary, lawyer, and politician who was the leader of Cuba from 1959 to 2008, serving as the prime minister of Cuba from 1959 to 1976 and president from 1976 to 2008. Ideologically a Marxist–Leninist and Cuban nationalist, he also served as the first secretary of the Communist Party of Cuba from 1961 until 2011. Under his administration, Cuba became a one-party communist state; industry and business were nationalized, and state socialist reforms were implemented throughout society.
Born in Birán, Oriente, the son of a wealthy Spanish farmer, Castro adopted leftist and anti-imperialist ideas while studying law at the University of Havana. After participating in rebellions against right-wing governments in the Dominican Republic and Colombia, he planned the overthrow of Cuban President Fulgencio Batista, launching a failed attack on the Moncada Barracks in 1953. After a year’s imprisonment, Castro traveled to Mexico where he formed a revolutionary group, the 26th of July Movement, with his brother Raúl Castro and Ernesto “Che” Guevara. Returning to Cuba, Castro took a key role in the Cuban Revolution by leading the Movement in a guerrilla war against Batista’s forces from the Sierra Maestra. After Batista’s overthrow in 1959, Castro assumed military and political power as Cuba’s prime minister. The United States came to oppose Castro’s government and unsuccessfully attempted to remove him by assassination, economic blockade, and counter-revolution, including the Bay of Pigs Invasion of 1961. Countering these threats, Castro aligned with the Soviet Union and allowed the Soviets to place nuclear weapons in Cuba, resulting in the Cuban Missile Crisis – a defining incident of the Cold War – in 1962.
Adopting a Marxist–Leninist model of development, Castro converted Cuba into a one-party, socialist state under Communist Party rule, the first in the Western Hemisphere. Policies introducing central economic planning and expanding healthcare and education were accompanied by state control of the press and the suppression of internal dissent. Abroad, Castro supported anti-imperialist revolutionary groups, backing the establishment of Marxist governments in Chile, Nicaragua, and Grenada, as well as sending troops to aid allies in the Yom Kippur, Ogaden, and Angolan Civil War. These actions, coupled with Castro’s leadership of the Non-Aligned Movement from 1979 to 1983 and Cuba’s medical internationalism, increased Cuba’s profile on the world stage. Following the Soviet Union’s dissolution in 1991, Castro led Cuba through the economic downturn of the “Special Period”, embracing environmentalist and anti-globalization ideas. In the 2000s, Castro forged alliances in the Latin American “pink tide” – namely with Hugo Chávez’s Venezuela – and formed the Bolivarian Alliance for the Americas. In 2006, Castro transferred his responsibilities to Vice President Raúl Castro, who was elected to the presidency by the National Assembly in 2008.
The longest-serving non-royal head of state in the 20th and 21st centuries, Castro polarized opinion throughout the world. His supporters view him as a champion of socialism and anti-imperialism whose revolutionary government advanced economic and social justice while securing Cuba’s independence from U.S. hegemony. Critics call him a dictator whose administration oversaw human rights abuses, the exodus of many Cubans, and the impoverishment of the country’s economy. Castro was decorated with various international awards and significantly influenced different individuals and groups across the world.

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Frank Lloyd Wright (June 8, 1867 – April 9, 1959) was an American architect, designer, writer, and educator. He designed more than 1,000 structures over a creative period of 70 years. Wright believed in designing in harmony with humanity and the environment, a philosophy he called organic architecture. This philosophy was exemplified in Fallingwater (1935), which has been called “the best all-time work of American architecture”. Wright played a key role in the architectural movements of the twentieth century, influencing architects worldwide through his works and hundreds of apprentices in his Taliesin Fellowship.Wright was the pioneer of what came to be called the Prairie School movement of architecture and also developed the concept of the Usonian home in Broadacre City, his vision for urban planning in the United States. He also designed original and innovative offices, churches, schools, skyscrapers, hotels, museums, and other commercial projects. Wright-designed interior elements (including leaded glass windows, floors, furniture and even tableware) were integrated into these structures. He wrote several books and numerous articles and was a popular lecturer in the United States and in Europe. Wright was recognized in 1991 by the American Institute of Architects as “the greatest American architect of all time”. In 2019, a selection of his work became a listed World Heritage Site as The 20th-Century Architecture of Frank Lloyd Wright.
Raised in rural Wisconsin, Wright studied civil engineering at the University of Wisconsin and then apprenticed in Chicago, first with Joseph Lyman Silsbee (1887) and then with Louis Sullivan (1888). He opened his own successful Chicago practice in 1893 and established a studio in his Oak Park, Illinois home in 1898. Wright’s personal life often made headlines: his leaving of first wife Catherine Tobin for Mamah Cheney (1909); the murder of Mamah and her children and others at his Taliesin estate by a staff member (1914); his tempestuous marriage with second wife Miriam Noel (1923-1927); and his relationship with Olgivanna Lazović (1927-1959.)

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Frederick Douglass (born Frederick Augustus Washington Bailey, c. February 1817 – February 20, 1895) was an American social reformer, abolitionist, orator, writer, and statesman. After escaping from slavery in Maryland, he became a national leader of the abolitionist movement in Massachusetts and New York, becoming famous for his oratory and incisive antislavery writings. Accordingly, he was described by abolitionists in his time as a living counterexample to slaveholders’ arguments that slaves lacked the intellectual capacity to function as independent American citizens. Likewise, Northerners at the time found it hard to believe that such a great orator had once been a slave.Douglass wrote three autobiographies, describing his experiences as a slave in his Narrative of the Life of Frederick Douglass, an American Slave (1845), which became a bestseller and was influential in promoting the cause of abolition, as was his second book, My Bondage and My Freedom (1855). Following the Civil War, Douglass was active campaigner for the rights of freed slaves and wrote his last autobiography, Life and Times of Frederick Douglass. First published in 1881 and revised in 1892, three years before his death, the book covers events both during and after the Civil War. Douglass also actively supported women’s suffrage, and held several public offices. Without his permission, Douglass became the first African-American nominated for Vice President of the United States as the running mate and Vice Presidential nominee of Victoria Woodhull, on the Equal Rights Party ticket.Douglass believed in dialogue and in making alliances across racial and ideological divides, as well as in the liberal values of the U.S. Constitution. When radical abolitionists, under the motto “No Union with Slaveholders”, criticized Douglass’s willingness to engage in dialogue with slave owners, he replied: “I would unite with anybody to do right and with nobody to do wrong.”

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Fritz Haber (German: [ˈhaːbɐ]; 9 December 1868 – 29 January 1934) was a German chemist who received the Nobel Prize in Chemistry in 1918 for his invention of the Haber–Bosch process, a method used in industry to synthesize ammonia from nitrogen gas and hydrogen gas. This invention is of importance for the large-scale synthesis of fertilizers and explosives. It is estimated that two thirds of annual global food production uses nitrogen from the Haber–Bosch process, and that this supports nearly half the world population. Haber, along with Max Born, proposed the Born–Haber cycle as a method for evaluating the lattice energy of an ionic solid. Haber is also considered the “father of chemical warfare” for his years of pioneering work developing and weaponizing chlorine and other poisonous gases during World War I, especially his actions during the Second Battle of Ypres.

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Georg Simon Ohm (, German: [ˈɡeːɔʁk ˈʔoːm]; 16 March 1789 – 6 July 1854) was a German physicist and mathematician. As a school teacher, Ohm began his research with the new electrochemical cell, invented by Italian scientist Alessandro Volta. Using equipment of his own creation, Ohm found that there is a direct proportionality between the potential difference (voltage) applied across a conductor and the resultant electric current. This relationship is known as Ohm’s law, and the ohm, the standard unit of electrical resistance, is named after him.

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George Washington (February 22, 1732 – December 14, 1799) was an American political leader, military general, statesman, and Founding Father, who served as the first president of the United States from 1789 to 1797. Appointed by the Continental Congress as commander of the Continental Army, Washington led the Patriot forces to victory in the American Revolutionary War, and presided at the Constitutional Convention of 1787, which established the Constitution of the United States and a federal government. Washington has been called the “Father of the Nation” for his manifold leadership in the formative days of the country.
Washington’s first public office was serving as official Surveyor of Culpeper County, Virginia from 1749 to 1750. Subsequently, he received his initial military training (as well as a command with the Virginia Regiment) during the French and Indian War. He was later elected to the Virginia House of Burgesses and was named a delegate to the Continental Congress. Here he was appointed Commanding General of the Continental Army. With this title, he commanded American forces (allied with France) in the defeat and surrender of the British at the Siege of Yorktown during the American Revolutionary War. He resigned his commission after the Treaty of Paris was signed in 1783.
Washington played an indispensable role in adopting and ratifying the Constitution of the United States. He was then twice elected president by the Electoral College. He implemented a strong, well-financed national government while remaining impartial in a fierce rivalry between cabinet members Thomas Jefferson and Alexander Hamilton. During the French Revolution, he proclaimed a policy of neutrality while sanctioning the Jay Treaty. He set enduring precedents for the office of president, including the title “Mr. President”, and his Farewell Address is widely regarded as a pre-eminent statement on republicanism.
Washington owned several hundred slaves, and he supported measures passed by Congress to protect slavery. Starting in 1778, he became troubled with the institution of slavery and freed William Lee, one of his slaves, in his will. He freed the other 123 slaves that he owned upon the death of his wife, Martha Washington. She decided to respect her husband’s wishes and freed these slaves on January 1, 1801, before her death. He also freed in his will 33 more slaves that he acquired in a prior debt agreement with his brother-in-law. He endeavored to assimilate Native Americans into the Anglo-American culture but combated indigenous resistance during instances of violent conflict. He was a member of the Anglican Church and the Freemasons, and he urged broad religious freedom in his roles as general and president. Upon his death, he was eulogized as “first in war, first in peace, and first in the hearts of his countrymen”.Washington has been memorialized by monuments, a federal holiday, various media, geographical locations, including the national capital, the State of Washington, stamps, and currency, and many scholars and polls rank him among the greatest U.S. presidents. In 1976, as part of commemorations for the U.S. Bicentennial, Washington was posthumously promoted to the rank of General of the Armies of the United States.

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Guglielmo Giovanni Maria Marconi, 1st Marquis of Marconi (Italian: [ɡuʎˈʎɛlmo marˈkoːni]; 25 April 1874 – 20 July 1937) was an Italian inventor and electrical engineer, known for his creation of a practical radio wave based wireless telegraph system. This led to Marconi being credited as the inventor of radio, and he shared the 1909 Nobel Prize in Physics with Karl Ferdinand Braun “in recognition of their contributions to the development of wireless telegraphy”.Marconi was also an entrepreneur, businessman, and founder of The Wireless Telegraph & Signal Company in the United Kingdom in 1897 (which became the Marconi Company). In 1929, Marconi was ennobled as a Marchese (marquis) by King Victor Emmanuel III of Italy, and, in 1931, he set up Vatican Radio for Pope Pius XI.

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Helen Adams Keller (June 27, 1880 – June 1, 1968) was an American author, disability rights advocate, political activist and lecturer. Born in West Tuscumbia, Alabama, she lost her sight and hearing after a bout of illness at the age of nineteen months. She then communicated primarily using home signs until the age of seven when she met her first teacher and life-long companion Anne Sullivan, who taught her language, including reading and writing; Sullivan’s first lessons involved spelling words on Keller’s hand to show her the names of objects around her. She also learned how to speak and to understand other people’s speech using the Tadoma method. After an education at both specialist and mainstream schools, she attended Radcliffe College of Harvard University and became the first deafblind person to earn a Bachelor of Arts degree. She worked for the American Foundation for the Blind (AFB) from 1924 until 1968, during which time she toured the United States and traveled to 35 countries around the globe advocating for those with vision loss.
Keller was a prolific author, writing 14 books and hundreds of speeches and essays on topics ranging from animals to Mahatma Gandhi. Keller campaigned for those with disabilities, for women’s suffrage, labor rights, and world peace. She joined the Socialist Party of America in 1909. She was a supporter of the NAACP and an original member of the American Civil Liberties Union. In 1933, when her book How I Became a Socialist was burned by Nazi youth, she wrote an open letter to the Student Body of Germany condemning censorship and prejudice.
The story of Keller and Sullivan was made famous by Keller’s 1903 autobiography, The Story of My Life, and its adaptations for film and stage, The Miracle Worker. Her birthplace is now a museum and sponsors an annual “Helen Keller Day”. Her June 27 birthday is commemorated as Helen Keller Day in Pennsylvania and, in the centenary year of her birth, was recognized by a presidential proclamation from U.S. President Jimmy Carter.
She was inducted into the Alabama Women’s Hall of Fame in 1971 and was one of twelve inaugural inductees to the Alabama Writers Hall of Fame on June 8, 2015.

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Henry Cavendish FRS (; 10 October 1731 – 24 February 1810) was an English natural philosopher, scientist, and an important experimental and theoretical chemist and physicist. He is noted for his discovery of hydrogen, which he termed “inflammable air”. He described the density of inflammable air, which formed water on combustion, in a 1766 paper, On Factitious Airs. Antoine Lavoisier later reproduced Cavendish’s experiment and gave the element its name.
A notoriously shy man, Cavendish was nonetheless distinguished for great accuracy and precision in his researches into the composition of atmospheric air, the properties of different gases, the synthesis of water, the law governing electrical attraction and repulsion, a mechanical theory of heat, and calculations of the density (and hence the mass) of the Earth. His experiment to measure the density of the Earth has come to be known as the Cavendish experiment.

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Hideki Yukawa (湯川 秀樹, Yukawa Hideki, 23 January 1907 – 8 September 1981) was a Japanese theoretical physicist and the first Japanese Nobel laureate for his prediction of the pi meson, or pion.

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Hippocrates of Kos (; Greek: Ἱπποκράτης ὁ Κῷος, translit. Hippokrátēs ho Kôios; c. 460 – c. 370 BC), also known as Hippocrates II, was a Greek physician of the Age of Pericles (Classical Greece), who is considered one of the most outstanding figures in the history of medicine. He is traditionally referred to as the “Father of Medicine” in recognition of his lasting contributions to the field, such as the use of prognosis and clinical observation, the systematic categorization of diseases, or the formulation of humoural theory. The Hippocratic school of medicine revolutionized ancient Greek medicine, establishing it as a discipline distinct from other fields with which it had traditionally been associated (theurgy and philosophy), thus establishing medicine as a profession.However, the achievements of the writers of the Hippocratic Corpus, the practitioners of Hippocratic medicine, and the actions of Hippocrates himself were often conflated; thus very little is known about what Hippocrates actually thought, wrote, and did. Hippocrates is commonly portrayed as the paragon of the ancient physician and credited with coining the Hippocratic Oath, which is still relevant and in use today. He is also credited with greatly advancing the systematic study of clinical medicine, summing up the medical knowledge of previous schools, and prescribing practices for physicians through the Hippocratic Corpus and other works.

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Homer (; Ancient Greek: Ὅμηρος [hómɛːros], Hómēros) was the reputed author of the Iliad and the Odyssey, the two epic poems that are the foundational works of ancient Greek literature. He is regarded as one of the greatest and most influential writers of all time.The Iliad is set during the Trojan War, the ten-year siege of the city of Troy by a coalition of Mycenaean Greek kingdoms. It focuses on a quarrel between King Agamemnon and the warrior Achilles lasting a few weeks during the last year of the war. The Odyssey focuses on the ten-year journey home of Odysseus, king of Ithaca, after the fall of Troy. Many accounts of Homer’s life circulated in classical antiquity, the most widespread being that he was a blind bard from Ionia, a region of central coastal Anatolia in present-day Turkey. Modern scholars consider these accounts legendary.The Homeric Question—concerning by whom, when, where and under what circumstances the Iliad and Odyssey were composed—continues to be debated. Some scholars consider that the two works were written by different authors. It is generally accepted that the poems were composed at some point around the late eighth or early seventh century BC.The poems are in Homeric Greek, also known as Epic Greek, a literary language which shows a mixture of features of the Ionic and Aeolic dialects from different centuries; the predominant influence is Eastern Ionic. Most researchers believe that the poems were originally transmitted orally. From antiquity until the present day, the influence of Homeric epic on Western civilization has been great, inspiring many of its most famous works of literature, music, art and film. The Homeric epics were the greatest influence on ancient Greek culture and education; to Plato, Homer was simply the one who “has taught Greece” (ten Hellada pepaideuken).

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Joanne Rowling ( ROH-ling; born 31 July 1965), better known by her pen name J. K. Rowling, is a British author, philanthropist, film producer, television producer, and screenwriter. She is best known for writing the Harry Potter fantasy series, which has won multiple awards and sold more than 500 million copies, becoming the best-selling book series in history. The books are the basis of a popular film series, over which Rowling had overall approval on the scripts and was a producer on the final films. She also writes crime fiction under the pen name Robert Galbraith.
Born in Yate, Gloucestershire, Rowling was working as a researcher and bilingual secretary for Amnesty International in 1990 when she conceived the idea for the Harry Potter series while on a delayed train from Manchester to London. The seven-year period that followed saw the death of her mother, birth of her first child, divorce from her first husband, and relative poverty until the first novel in the series, Harry Potter and the Philosopher’s Stone, was published in 1997. There were six sequels, of which the last was released in 2007. Since then, Rowling has written several books for adult readers: The Casual Vacancy (2012) and—under the pseudonym Robert Galbraith—the crime fiction Cormoran Strike series. In 2020, her “political fairytale” for children, The Ickabog, was released in instalments in an online version.Rowling has lived a “rags to riches” life in which she progressed from living on benefits to being named the world’s first billionaire author by Forbes. Rowling disputed the assertion, saying she was not a billionaire. Forbes reported that she lost her billionaire status after giving away much of her earnings to charity. Her UK sales total in excess of £238 million, making her the best-selling living author in Britain. The 2021 Sunday Times Rich List estimated Rowling’s fortune at £820 million, ranking her as the 196th richest person in the UK. Time named her a runner-up for its 2007 Person of the Year, noting the social, moral, and political inspiration she has given her fans. Rowling was appointed a member of the Order of the Companions of Honour (CH) in the 2017 Birthday Honours for services to literature and philanthropy. In October 2010, she was named the “Most Influential Woman in Britain” by leading magazine editors. Rowling has supported multiple charities, including Comic Relief, One Parent Families, and Multiple Sclerosis Society of Great Britain, as well as launching her own charity, Lumos. Since late 2019, Rowling has publicly voiced her opinions on transgender people and related civil rights. These views have been criticised as transphobic by many LGBT rights organisations and some feminists.

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J. Robert Oppenheimer (; April 22, 1904 – February 18, 1967) was an American theoretical physicist who was professor of physics at the University of California, Berkeley. Oppenheimer was the wartime head of the Los Alamos Laboratory and is among those who are credited with being the “father of the atomic bomb” for their role in the Manhattan Project – the World War II undertaking that developed the first nuclear weapons. Oppenheimer was among those who observed the Trinity test in New Mexico, where the first atomic bomb was successfully detonated on July 16, 1945. He later remarked that it brought to mind words from the Bhagavad Gita: “Now I am become Death, the destroyer of worlds.” In August 1945, the weapons were used in the atomic bombings of Hiroshima and Nagasaki.
After the war ended, Oppenheimer became chairman of the influential General Advisory Committee of the newly created United States Atomic Energy Commission. He used that position to lobby for international control of nuclear power to avert nuclear proliferation and a nuclear arms race with the Soviet Union. He opposed the development of the hydrogen bomb during a 1949–1950 governmental debate on the question and subsequently took stances on defense-related issues that provoked the ire of some factions in the U.S. government and military. During the Second Red Scare, those stances, together with past associations Oppenheimer had with people and organizations affiliated with the Communist Party, led to him suffering the revocation of his security clearance in a much-written-about hearing in 1954. Effectively stripped of his direct political influence, he continued to lecture, write and work in physics. Nine years later, President John F. Kennedy awarded (and Lyndon B. Johnson presented) him with the Enrico Fermi Award as a gesture of political rehabilitation.
Oppenheimer’s achievements in physics included the Born–Oppenheimer approximation for molecular wave functions, work on the theory of electrons and positrons, the Oppenheimer–Phillips process in nuclear fusion, and the first prediction of quantum tunneling. With his students he also made important contributions to the modern theory of neutron stars and black holes, as well as to quantum mechanics, quantum field theory, and the interactions of cosmic rays. As a teacher and promoter of science, he is remembered as a founding father of the American school of theoretical physics that gained world prominence in the 1930s. After World War II, he became director of the Institute for Advanced Study in Princeton, New Jersey.

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Johann Sebastian Bach (31 March [O.S. 21 March] 1685 – 28 July 1750) was a German composer and musician of the late Baroque period. He is known for instrumental compositions such as the Cello Suites and Brandenburg Concertos; keyboard works such as the Goldberg Variations, The Well-Tempered Clavier and the Toccata and Fugue in D minor; and vocal music such as the St Matthew Passion and the Mass in B minor. Since the 19th-century Bach Revival, he has been generally regarded as one of the greatest composers in the history of Western music.The Bach family already counted several composers when Johann Sebastian was born as the last child of a city musician in Eisenach. After being orphaned at the age of 10, he lived for five years with his eldest brother Johann Christoph, after which he continued his musical formation in Lüneburg. From 1703 he was back in Thuringia, working as a musician for Protestant churches in Arnstadt and Mühlhausen and, for longer stretches of time, at courts in Weimar, where he expanded his organ repertory, and Köthen, where he was mostly engaged with chamber music. From 1723 he was employed as Thomaskantor (cantor at St. Thomas) in Leipzig. He composed music for the principal Lutheran churches of the city, and for its university’s student ensemble Collegium Musicum. From 1726 he published some of his keyboard and organ music. In Leipzig, as had happened during some of his earlier positions, he had difficult relations with his employer, a situation that was little remedied when he was granted the title of court composer by his sovereign, Augustus III, Elector of Saxony and King of Poland, in 1736. In the last decades of his life he reworked and extended many of his earlier compositions. He died of complications after eye surgery in 1750 at the age of 65.
Bach enriched established German styles through his mastery of counterpoint, harmonic and motivic organisation, and his adaptation of rhythms, forms, and textures from abroad, particularly from Italy and France. Bach’s compositions include hundreds of cantatas, both sacred and secular. He composed Latin church music, Passions, oratorios, and motets. He often adopted Lutheran hymns, not only in his larger vocal works, but for instance also in his four-part chorales and his sacred songs. He wrote extensively for organ and for other keyboard instruments. He composed concertos, for instance for violin and for harpsichord, and suites, as chamber music as well as for orchestra. Many of his works employ the genres of canon and fugue.
Throughout the 18th century Bach was primarily valued as an organist, while his keyboard music, such as The Well-Tempered Clavier, was appreciated for its didactic qualities. The 19th century saw the publication of some major Bach biographies, and by the end of that century all of his known music had been printed. Dissemination of scholarship on the composer continued through periodicals (and later also websites) exclusively devoted to him, and other publications such as the Bach-Werke-Verzeichnis (BWV, a numbered catalogue of his works) and new critical editions of his compositions. His music was further popularised through a multitude of arrangements, including, the Air on the G String and “Jesu, Joy of Man’s Desiring”, and of recordings, such as three different box sets with complete performances of the composer’s oeuvre marking the 250th anniversary of his death.

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Sir James Chadwick, (20 October 1891 – 24 July 1974) was a British physicist who was awarded the 1935 Nobel Prize in Physics for his discovery of the neutron in 1932. In 1941, he wrote the final draft of the MAUD Report, which inspired the U.S. government to begin serious atomic bomb research efforts. He was the head of the British team that worked on the Manhattan Project during World War II. He was knighted in Britain in 1945 for his achievements in physics.
Chadwick graduated from the Victoria University of Manchester in 1911, where he studied under Ernest Rutherford (known as the “father of nuclear physics”). At Manchester, he continued to study under Rutherford until he was awarded his MSc in 1913. The same year, Chadwick was awarded an 1851 Research Fellowship from the Royal Commission for the Exhibition of 1851. He elected to study beta radiation under Hans Geiger in Berlin. Using Geiger’s recently developed Geiger counter, Chadwick was able to demonstrate that beta radiation produced a continuous spectrum, and not discrete lines as had been thought. Still in Germany when World War I broke out in Europe, he spent the next four years in the Ruhleben internment camp.
After the war, Chadwick followed Rutherford to the Cavendish Laboratory at the University of Cambridge, where Chadwick earned his Doctor of Philosophy degree under Rutherford’s supervision from Gonville and Caius College, Cambridge, in June 1921. He was Rutherford’s assistant director of research at the Cavendish Laboratory for over a decade at a time when it was one of the world’s foremost centres for the study of physics, attracting students like John Cockcroft, Norman Feather, and Mark Oliphant. Chadwick followed his discovery of the neutron by measuring its mass. He anticipated that neutrons would become a major weapon in the fight against cancer. Chadwick left the Cavendish Laboratory in 1935 to become a professor of physics at the University of Liverpool, where he overhauled an antiquated laboratory and, by installing a cyclotron, made it an important centre for the study of nuclear physics.
During the Second World War, Chadwick carried out research as part of the Tube Alloys project to build an atomic bomb, while his Manchester lab and environs were harassed by Luftwaffe bombing. When the Quebec Agreement merged his project with the American Manhattan Project, he became part of the British Mission, and worked at the Los Alamos Laboratory and in Washington, D.C. He surprised everyone by earning the almost-complete trust of project director Leslie R. Groves, Jr. For his efforts, Chadwick received a knighthood in the New Year Honours on 1 January 1945. In July 1945, he viewed the Trinity nuclear test. After this, he served as the British scientific advisor to the United Nations Atomic Energy Commission. Uncomfortable with the trend toward Big Science, Chadwick became the Master of Gonville and Caius College in 1948. He retired in 1959.

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James Prescott Joule (; 24 December 1818 – 11 October 1889) was an English physicist, mathematician and brewer, born in Salford, Lancashire. Joule studied the nature of heat, and discovered its relationship to mechanical work (see energy). This led to the law of conservation of energy, which in turn led to the development of the first law of thermodynamics. The SI derived unit of energy, the joule, is named after him.
He worked with Lord Kelvin to develop an absolute thermodynamic temperature scale, which came to be called the Kelvin scale. Joule also made observations of magnetostriction, and he found the relationship between the current through a resistor and the heat dissipated, which is also called Joule’s first law. His experiments about energy transformations were first published in 1843.

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Sir Winston Leonard Spencer Churchill, (30 November 1874 – 24 January 1965) was a British statesman who served as Prime Minister of the United Kingdom from 1940 to 1945, during the Second World War, and again from 1951 to 1955. Best known for his wartime leadership as Prime Minister, Churchill was also a Sandhurst-educated soldier, a Nobel Prize-winning writer and historian, a prolific painter, and one of the longest-serving politicians in British history. Apart from two years between 1922 and 1924, he was a Member of Parliament (MP) from 1900 to 1964 and represented a total of five constituencies. Ideologically an economic liberal and imperialist, he was for most of his career a member of the Conservative Party, which he led from 1940 to 1955, though he was a member of the Liberal Party from 1904 to 1924.
Of mixed English and American parentage, Churchill was born in Oxfordshire to a wealthy, aristocratic family. He joined the British Army in 1895 and saw action in British India, the Anglo-Sudan War, and the Second Boer War, gaining fame as a war correspondent and writing books about his campaigns. Elected a Conservative MP in 1900, he defected to the Liberals in 1904. In H. H. Asquith’s Liberal government, Churchill served as President of the Board of Trade and Home Secretary, championing prison reform and workers’ social security. As First Lord of the Admiralty during the First World War, he oversaw the Gallipoli Campaign but, after it proved a disaster, he was demoted to Chancellor of the Duchy of Lancaster. He resigned in November 1915 and joined the Royal Scots Fusiliers on the Western Front for six months. In 1917, he returned to government under David Lloyd George and served successively as Minister of Munitions, Secretary of State for War, Secretary of State for Air, and Secretary of State for the Colonies, overseeing the Anglo-Irish Treaty and British foreign policy in the Middle East. After two years out of Parliament, he served as Chancellor of the Exchequer in Stanley Baldwin’s Conservative government, returning the pound sterling in 1925 to the gold standard at its pre-war parity, a move widely seen as creating deflationary pressure and depressing the UK economy.
Out of government during his so-called “wilderness years” in the 1930s, Churchill took the lead in calling for British rearmament to counter the growing threat of militarism in Nazi Germany. At the outbreak of the Second World War he was re-appointed First Lord of the Admiralty. In May 1940, he became Prime Minister, replacing Neville Chamberlain. Churchill oversaw British involvement in the Allied war effort against the Axis powers, resulting in victory in 1945. After the Conservatives’ defeat in the 1945 general election, he became Leader of the Opposition. Amid the developing Cold War with the Soviet Union, he publicly warned of an “iron curtain” of Soviet influence in Europe and promoted European unity. He lost the 1950 election, but was returned to office the following year in the 1951 election. His second term was preoccupied with foreign affairs, especially Anglo-American relations and the preservation of the British Empire. Domestically, his government emphasised house-building and developed a nuclear weapon. In declining health, Churchill resigned as Prime Minister in 1955, although he remained an MP until 1964. Upon his death in 1965, he received a state funeral.
Widely considered one of the 20th century’s most significant figures, Churchill remains popular in the UK and Western world, where he is seen as a victorious wartime leader who played an important role in defending Europe’s liberal democracy against the spread of fascism. He is also praised as a social reformer. However, he has been criticised for some wartime events – notably the 1945 bombing of Dresden – and also for his imperialist views, including comments on race.

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Thomas Woodrow Wilson (December 28, 1856 – February 3, 1924) was an American politician and academic who served as the 28th president of the United States from 1913 to 1921. A member of the Democratic Party, Wilson served as the president of Princeton University and as the governor of New Jersey before winning the 1912 presidential election. As President, Wilson changed the nation’s economic policies and led the United States into World War I in 1917. He was the leading architect of the League of Nations, and his progressive stance on foreign policy came to be known as Wilsonianism.
Wilson grew up in the American South, mainly in Augusta, Georgia, during the Civil War and Reconstruction. After earning a Ph.D. in political science from Johns Hopkins University, Wilson taught at various colleges before becoming the president of Princeton University and a spokesman for progressivism in higher education. As governor of New Jersey from 1911 to 1913, Wilson broke with party bosses and won the passage of several progressive reforms. To win the presidential nomination he mobilized progressives and Southerners to his cause at the 1912 Democratic National Convention. Wilson defeated incumbent Republican William Howard Taft and third-party nominee Theodore Roosevelt to easily win the 1912 United States presidential election, becoming the first Southerner to do so since 1848.
Wilson allowed the continuing imposition of segregation inside the federal bureaucracy. His first term was largely devoted to pursuing passage of his progressive New Freedom domestic agenda. His first major priority was the Revenue Act of 1913, which lowered tariffs and began the modern income tax. Wilson also negotiated the passage of the Federal Reserve Act, which created the Federal Reserve System. Two major laws, the Federal Trade Commission Act and the Clayton Antitrust Act, were enacted to promote business competition and combat extreme corporate power.
At the outbreak of World War I in 1914, the U.S. declared neutrality as Wilson tried to negotiate a peace between the Allied and Central Powers. He narrowly won re-election in the 1916 United States presidential election, boasting how he kept the nation out of wars in Europe and Mexico. In April 1917, Wilson asked Congress for a declaration of war against Germany in response to its policy of unrestricted submarine warfare that sank American merchant ships. Wilson nominally presided over war-time mobilization and left military matters to the generals. He instead concentrated on diplomacy, issuing the Fourteen Points that the Allies and Germany accepted as a basis for post-war peace. He wanted the off-year elections of 1918 to be a referendum endorsing his policies, but instead the Republicans took control of Congress. After the Allied victory in November 1918, Wilson went to Paris where he and the British and French leaders dominated the Paris Peace Conference. Wilson successfully advocated for the establishment of a multinational organization, the League of Nations. It was incorporated into the Treaty of Versailles that he signed. Wilson had refused to bring any leading Republican into the Paris talks, and back home he rejected a Republican compromise that would have allowed the Senate to ratify the Versailles Treaty and join the League.
Wilson had intended to seek a third term in office but suffered a severe stroke in October 1919 that left him incapacitated. His wife and his doctor controlled Wilson, and no significant decisions were made. Meanwhile, his policies alienated German and Irish Democrats and the Republicans won a landslide in the 1920 presidential election. Scholars have generally ranked Wilson in the upper tier of U.S presidents, although he has been criticized for supporting racial segregation. His liberalism nevertheless lives on as a major factor in American foreign policy, and his vision of ethnic self-determination resonated globally.

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Jonas Edward Salk (; born Jonas Salk; October 28, 1914 – June 23, 1995) was an American virologist and medical researcher who developed one of the first successful polio vaccines. He was born in New York City and attended the City College of New York and New York University School of Medicine.In 1947, Salk accepted a professorship in the School of Medicine at the University of Pittsburgh. It was there that he undertook a project to determine the number of different types of poliovirus, starting in 1948. For the next seven years, Salk devoted himself towards developing a vaccine against polio.
Salk was immediately hailed as a “miracle worker” when the vaccine’s success was first made public in April 1955, and chose to not patent the vaccine or seek any profit from it in order to maximize its global distribution. The National Foundation for Infantile Paralysis and the University of Pittsburgh looked into patenting the vaccine but, since Salk’s techniques were not novel, their patent attorney said “if there were any patentable novelty to be found in this phase it would lie within an extremely narrow scope and would be of doubtful value.” An immediate rush to vaccinate began in both the United States and around the world. Many countries began polio immunization campaigns using Salk’s vaccine, including Canada, Sweden, Denmark, Norway, West Germany, the Netherlands, Switzerland, and Belgium. By 1959, the Salk vaccine had reached about 90 countries. An attenuated live oral polio vaccine was developed by Albert Sabin, coming into commercial use in 1961. Less than 25 years after the release of Salk’s vaccine, domestic transmission of polio had been completely eliminated in the United States.
In 1963, Salk founded the Salk Institute for Biological Studies in La Jolla, California, which is today a center for medical and scientific research. He continued to conduct research and publish books in his later years, focusing in his last years on the search for a vaccine against HIV. Salk also campaigned vigorously for mandatory vaccination throughout the rest of his life, calling the universal vaccination of children against disease a “moral commitment”. Salk’s personal papers are today stored in Geisel Library at the University of California, San Diego.

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Joseph Black (16 April 1728 – 6 December 1799) was a Scottish physicist and chemist, known for his discoveries of magnesium, latent heat, specific heat, and carbon dioxide. He was Professor of Anatomy and Chemistry at the University of Glasgow for 10 years from 1756, and then Professor of Medicine and Chemistry at the University of Edinburgh from 1766, teaching and lecturing there for more than 30 years.The chemistry buildings at both the University of Edinburgh and the University of Glasgow are named after Black.

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Joseph Lister, Baron Lister of Lyme Regis (5 April 1827 – 10 February 1912), was a British surgeon, experimental pathologist and a pioneer of antiseptic surgery. From a technical viewpoint, Lord Lister was not an exceptional surgeon, but his research into bacteriology and infection in wounds raised his operative technique to a new plane where his observations, deductions and practices revolutionised surgery throughout the world.Lister promoted the idea of sterile surgery while working at the Glasgow Royal Infirmary. Lister successfully introduced carbolic acid (now known as phenol) to sterilise surgical instruments and to clean wounds.
Applying Louis Pasteur’s advances in microbiology, Lister championed the use of carbolic acid as an antiseptic, so that it became the first widely used antiseptic in surgery. He first suspected it would prove an adequate disinfectant because it was used to ease the stench from fields irrigated with sewage waste. He presumed it was safe because fields treated with carbolic acid produced no apparent ill-effects on the livestock that later grazed upon them.
Lister’s work led to a reduction in post-operative infections and made surgery safer for patients, distinguishing him as the “father of modern surgery”.

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Karl Landsteiner (German: [kaʁl ˈlantˌʃtaɪnɐ]; 14 June 1868 – 26 June 1943) was an Austrian biologist, physician, and immunologist. He distinguished the main blood groups in 1900, having developed the modern system of classification of blood groups from his identification of the presence of agglutinins in the blood, and in 1937 identified, with Alexander S. Wiener, the Rhesus factor, thus enabling physicians to transfuse blood without endangering the patient’s life. With Constantin Levaditi and Erwin Popper, he discovered the polio virus in 1909. He received the Aronson Prize in 1926. In 1930, he received the Nobel Prize in Physiology or Medicine. He was posthumously awarded the Lasker Award in 1946, and has been described as the father of transfusion medicine.

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Charles-Édouard Jeanneret (6 October 1887 – 27 August 1965), known as Le Corbusier (UK: lə kor-BEW-zee-ay, US: lə KOR-boo-ZYAY, -⁠SYAY, French: [lə kɔʁbyzje]; roughly, “the crow-like one”), was a Swiss-French architect, designer, painter, urban planner, writer, and one of the pioneers of what is now regarded as modern architecture. He was born in Switzerland and became a French citizen in 1930. His career spanned five decades, and he designed buildings in Europe, Japan, India, and North and South America.
Dedicated to providing better living conditions for the residents of crowded cities, Le Corbusier was influential in urban planning, and was a founding member of the Congrès International d’Architecture Moderne (CIAM). Le Corbusier prepared the master plan for the city of Chandigarh in India, and contributed specific designs for several buildings there, especially the government buildings.
On 17 July 2016, seventeen projects by Le Corbusier in seven countries were inscribed in the list of UNESCO World Heritage Sites as The Architectural Work of Le Corbusier, an Outstanding Contribution to the Modern Movement.Le Corbusier remains a controversial figure. Some of his urban planning ideas have been criticized for their indifference to pre-existing cultural sites, societal expression and equity, and his ties with fascism, antisemitism and the dictator Benito Mussolini have resulted in some continuing contention.

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Leo Hendrik Baekeland
(November 14, 1863 – February 23, 1944) was a Belgian chemist. He is best known for the inventions of Velox photographic paper in 1893, and Bakelite in 1907. He has been called “The Father of the Plastics Industry”: 13  for his invention of Bakelite, an inexpensive, nonflammable and versatile plastic, which marked the beginning of the modern plastics industry.

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Walter Whitman (; May 31, 1819 – March 26, 1892) was an American poet, essayist, and journalist. A humanist, he was a part of the transition between transcendentalism and realism, incorporating both views in his works. Whitman is among the most influential poets in the American canon, often called the father of free verse. His work was controversial in its time, particularly his poetry collection Leaves of Grass, which was described as obscene for its overt sensuality. Whitman’s own life came under scrutiny for his presumed homosexuality.
Born in Huntington on Long Island, as a child and through much of his career he resided in Brooklyn. At age 11, he left formal schooling to go to work. Later, Whitman worked as a journalist, a teacher, and a government clerk. Whitman’s major poetry collection, Leaves of Grass, was first published in 1855 with his own money and became well known. The work was an attempt at reaching out to the common person with an American epic. He continued expanding and revising it until his death in 1892. During the American Civil War, he went to Washington, D.C. and worked in hospitals caring for the wounded. His poetry often focused on both loss and healing. On the death of Abraham Lincoln, whom Whitman greatly admired, he wrote his well known poems, “O Captain! My Captain!” and “When Lilacs Last in the Dooryard Bloom’d”, and gave a series of lectures. After a stroke towards the end of his life, Whitman moved to Camden, New Jersey, where his health further declined. When he died at age 72, his funeral was a public event.Whitman’s influence on poetry remains strong. Mary Whitall Smith Costelloe argued: “You cannot really understand America without Walt Whitman, without Leaves of Grass … He has expressed that civilization, ‘up to date,’ as he would say, and no student of the philosophy of history can do without him.” Modernist poet Ezra Pound called Whitman “America’s poet … He is America.”

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Wilhelm Conrad Röntgen (; German pronunciation: [ˈvɪlhɛlm ˈʁœntɡən] (listen); 27 March 1845 – 10 February 1923) was a German mechanical engineer and physicist, who, on 8 November 1895, produced and detected electromagnetic radiation in a wavelength range known as X-rays or Röntgen rays, an achievement that earned him the inaugural Nobel Prize in Physics in 1901. In honour of Röntgen’s accomplishments, in 2004 the International Union of Pure and Applied Chemistry (IUPAC) named element 111, roentgenium, a radioactive element with multiple unstable isotopes, after him. The unit of measurement roentgen was also named after him.

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Sir Frederick William Herschel (; German: Friedrich Wilhelm Herschel; 15 November 1738 – 25 August 1822) was a German-born British astronomer and composer. He frequently collaborated with his younger sister and fellow astronomer Caroline Lucretia Herschel (1750–1848). Born in the Electorate of Hanover, William Herschel followed his father into the military band of Hanover, before emigrating to Great Britain in 1757 at the age of nineteen.
Herschel constructed his first large telescope in 1774, after which he spent nine years carrying out sky surveys to investigate double stars. Herschel published catalogues of nebulae in 1802 (2,500 objects) and in 1820 (5,000 objects). The resolving power of the Herschel telescopes revealed that many objects called nebulae in the Messier catalogue were actually clusters of stars. On 13 March 1781 while making observations he made note of a new object in the constellation of Gemini. This would, after several weeks of verification and consultation with other astronomers, be confirmed to be a new planet, eventually given the name of Uranus. This was the first planet to be discovered since antiquity, and Herschel became famous overnight. As a result of this discovery, George III appointed him Court Astronomer. He was elected as a Fellow of the Royal Society and grants were provided for the construction of new telescopes.
Herschel pioneered the use of astronomical spectrophotometry, using prisms and temperature measuring equipment to measure the wavelength distribution of stellar spectra. In the course of these investigations, Herschel discovered infrared radiation.
Other work included an improved determination of the rotation period of Mars, the discovery that the Martian polar caps vary seasonally, the discovery of Titania and Oberon (moons of Uranus) and Enceladus and Mimas (moons of Saturn). Herschel was made a Knight of the Royal Guelphic Order in 1816. He was the first President of the Royal Astronomical Society when it was founded in 1820. He died in August 1822, and his work was continued by his only son, John Herschel.

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William Thomson, 1st Baron Kelvin, (26 June 1824 – 17 December 1907) was a British mathematician, mathematical physicist and engineer born in Belfast. Professor of Natural Philosophy at the University of Glasgow for 53 years, he did important work in the mathematical analysis of electricity and formulation of the first and second laws of thermodynamics, and did much to unify the emerging discipline of physics in its modern form. He received the Royal Society’s Copley Medal in 1883, was its President 1890–1895, and in 1892 was the first British scientist to be elevated to the House of Lords.Absolute temperatures are stated in units of kelvin in his honour. While the existence of a lower limit to temperature (absolute zero) was known prior to his work, Kelvin is known for determining its correct value as approximately −273.15 degrees Celsius or −459.67 degrees Fahrenheit. The Joule–Thomson effect is also named in his honour.
He worked closely with mathematics professor Hugh Blackburn in his work. He also had a career as an electric telegraph engineer and inventor, which propelled him into the public eye and ensured his wealth, fame and honour. For his work on the transatlantic telegraph project he was knighted in 1866 by Queen Victoria, becoming Sir William Thomson. He had extensive maritime interests and was most noted for his work on the mariner’s compass, which previously had limited reliability.
He was ennobled in 1892 in recognition of his achievements in thermodynamics, and of his opposition to Irish Home Rule, becoming Baron Kelvin, of Largs in the County of Ayr. The title refers to the River Kelvin, which flows near his laboratory at the University of Glasgow’s Gilmorehill home at Hillhead. Despite offers of elevated posts from several world-renowned universities, Kelvin refused to leave Glasgow, remaining until his eventual retirement from that post in 1899. Active in industrial research and development, he was recruited around 1899 by George Eastman to serve as vice-chairman of the board of the British company Kodak Limited, affiliated with Eastman Kodak. In 1904 he became Chancellor of the University of Glasgow.His home was the red sandstone mansion Netherhall, in Largs, which he built in the 1870s and where he died. The Hunterian Museum at the University of Glasgow has a permanent exhibition on the work of Kelvin including many of his original papers, instruments, and other artefacts, such as his smoking pipe.

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Louis Braille ( (listen); French: [lwi bʁaj]; 4 January 1809 – 6 January 1852) was a French educator and inventor of a reading and writing system for use by people who are visually impaired. His system remains virtually unchanged to this day, and is known worldwide simply as braille.
Braille was blinded at the age of three in one eye as a result of an accident with a stitching awl in his father’s harness making shop. Consequently, an infection set in and spread to both eyes, resulting in total blindness. At that time there were not many resources in place for the blind but nevertheless, he excelled in his education and received a scholarship to France’s Royal Institute for Blind Youth. While still a student there, he began developing a system of tactile code that could allow blind people to read and write quickly and efficiently. Inspired by the system invented by Charles Barbier, Braille constructed a new method that was more compact and lent itself to a range of uses, including music. He presented his work to his peers for the first time in 1824.
In adulthood, Louis Braille served as a professor at the Institute and had an avocation as a musician, but he largely spent the remainder of his life refining and extending his system. It went unused by most educators for many years after his death, but posterity has recognized braille as a revolutionary invention, and it has been adapted for use in languages worldwide.

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Martin Luther King Jr. (born Michael King Jr.; January 15, 1929 – April 4, 1968) was an American Baptist minister and activist who became the most visible spokesman and leader in the American civil rights movement from 1955 until his assassination in 1968. King advanced civil rights through nonviolence and civil disobedience, inspired by his Christian beliefs and the nonviolent activism of Mahatma Gandhi. He was the son of early civil rights activist and minister Martin Luther King Sr.
King participated in and led marches for blacks’ right to vote, desegregation, labor rights, and other basic civil rights. King led the 1955 Montgomery bus boycott and later became the first president of the Southern Christian Leadership Conference (SCLC). As president of the SCLC, he led the unsuccessful Albany Movement in Albany, Georgia, and helped organize some of the nonviolent 1963 protests in Birmingham, Alabama. King helped organize the 1963 March on Washington, where he delivered his famous “I Have a Dream” speech on the steps of the Lincoln Memorial.
The SCLC put into practice the tactics of nonviolent protest with some success by strategically choosing the methods and places in which protests were carried out. There were several dramatic stand-offs with segregationist authorities, who sometimes turned violent. Federal Bureau of Investigation (FBI) Director J. Edgar Hoover considered King a radical and made him an object of the FBI’s COINTELPRO from 1963, forward. FBI agents investigated him for possible communist ties, recorded his extramarital affairs and reported on them to government officials, and, in 1964, mailed King a threatening anonymous letter, which he interpreted as an attempt to make him commit suicide.On October 14, 1964, King won the Nobel Peace Prize for combating racial inequality through nonviolent resistance. In 1965, he helped organize two of the three Selma to Montgomery marches. In his final years, he expanded his focus to include opposition towards poverty, capitalism, and the Vietnam War.
In 1968, King was planning a national occupation of Washington, D.C., to be called the Poor People’s Campaign, when he was assassinated on April 4 in Memphis, Tennessee. His death was followed by riots in many U.S. cities. Allegations that James Earl Ray, the man convicted of killing King, had been framed or acted in concert with government agents persisted for decades after the shooting. King was posthumously awarded the Presidential Medal of Freedom in 1977 and the Congressional Gold Medal in 2003. Martin Luther King Jr. Day was established as a holiday in cities and states throughout the United States beginning in 1971; the holiday was enacted at the federal level by legislation signed by President Ronald Reagan in 1986. Hundreds of streets in the U.S. have been renamed in his honor, and the most populous county in Washington State was rededicated for him. The Martin Luther King Jr. Memorial on the National Mall in Washington, D.C., was dedicated in 2011.

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Mary Somerville (née Fairfax, formerly Greig; 26 December 1780 – 29 November 1872) was a Scottish scientist, writer, and polymath. She studied mathematics and astronomy, and in 1835 she was elected together with Caroline Herschel as the first female Honorary Members of the Royal Astronomical Society.
When John Stuart Mill, the philosopher and economist, organised a massive petition to Parliament to give women the right to vote, he had Somerville put her signature first on the petition.
When she died in 1872, The Morning Post declared in her obituary that “Whatever difficulty we might experience in the middle of the nineteenth century in choosing a king of science, there could be no question whatever as to the queen of science”.Somerville College, a college of the University of Oxford, is named after her, reflecting the virtues of liberalism and academic success which the college wished to embody. She is featured on the front of the Royal Bank of Scotland polymer £10 note launched in 2017, alongside a quote from her work The Connection of the Physical Sciences.

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Wolfgang Amadeus Mozart (27 January 1756 – 5 December 1791), baptised as Johannes Chrysostomus Wolfgangus Theophilus Mozart, was a prolific and influential composer of the Classical period.
Born in Salzburg, in the Holy Roman Empire, Mozart showed prodigious ability from his earliest childhood. Already competent on keyboard and violin, he composed from the age of five and performed before European royalty, embarking on a grand tour. At 17, Mozart was engaged as a musician at the Salzburg court but grew restless and travelled in search of a better position.
While visiting Vienna in 1781, he was dismissed from his Salzburg position. He chose to stay in Vienna, where he achieved fame but little financial security. During his final years in Vienna, he composed many of his best-known symphonies, concertos, and operas, and portions of the Requiem, which was largely unfinished at the time of his early death at the age of 35. The circumstances of his death are largely uncertain, and have thus been much mythologized.
Despite his early death, his rapid pace of composition resulted in more than 600 works of virtually every genre of his time. Many of these compositions are acknowledged as pinnacles of the symphonic, concertante, chamber, operatic, and choral repertoire. He is considered among the greatest classical composers of all time, and his influence on Western music is profound, particularly on Ludwig van Beethoven. His elder colleague Joseph Haydn wrote: “posterity will not see such a talent again in 100 years”.

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Muhammad Ali (; born Cassius Marcellus Clay Jr.; January 17, 1942 – June 3, 2016) was an American professional boxer, activist, entertainer, poet, and philanthropist. Nicknamed The Greatest, he is widely regarded as one of the most significant and celebrated figures of the 20th century, and is frequently ranked as the best heavyweight boxer of all time.
Ali was born and raised in Louisville, Kentucky. He began training as an amateur boxer at age 12. At 18, he won a gold medal in the light heavyweight division at the 1960 Summer Olympics and turned professional later that year. He became a Muslim after 1961. He won the world heavyweight championship from Sonny Liston in a major upset on February 25, 1964, at age 22. On March 6, 1964, he announced that he no longer would be known as Cassius Clay but as Muhammad Ali. In 1966, Ali refused to be drafted into the military, citing his religious beliefs and ethical opposition to the Vietnam War. He was found guilty of draft evasion so he faced 5 years in prison and was stripped of his boxing titles. He stayed out of prison as he appealed the decision to the Supreme Court, which overturned his conviction in 1971, but he had not fought for nearly four years and lost a period of peak performance as an athlete. Ali’s actions as a conscientious objector to the Vietnam War made him an icon for the larger counterculture generation, and he was a very high-profile figure of racial pride for African Americans during the civil rights movement and throughout his career. As a Muslim, Ali was initially affiliated with Elijah Muhammad’s Nation of Islam (NOI). He later disavowed the NOI, adhering to Sunni Islam, and supported racial integration like his former mentor Malcolm X.
He was involved in several historic boxing matches and feuds, most notably his fights with Joe Frazier, including the Fight of the Century (the biggest boxing event up until then), the Thrilla in Manila, and his fight with George Foreman known as The Rumble in the Jungle, which was watched by a record estimated television audience of 1 billion viewers worldwide, becoming the world’s most-watched live television broadcast at the time. Ali thrived in the spotlight at a time when many fighters let their managers do the talking, and he was often provocative and outlandish. He was known for trash-talking, and often free-styled with rhyme schemes and spoken word poetry, anticipating elements of hip hop.He has been ranked the greatest heavyweight boxer of all time, and as the greatest sportsman of the 20th century by Sports Illustrated and the Sports Personality of the Century by the BBC.
Outside the ring, Ali attained success as a spoken word artist, where he received two Grammy nominations. He also featured as an actor and writer, releasing two autobiographies. Ali retired from boxing in 1981 and focused on religion, philanthropy and activism. In 1984, he made public his diagnosis of Parkinson’s syndrome, which some reports attribute to boxing-related injuries, though he and his specialist physicians disputed this. He remained an active public figure globally, but in his later years made fewer public appearances as his condition worsened, and he was cared for by his family. Ali died on June 3, 2016.

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Nicolaus August Otto (10 June 1832, Holzhausen an der Haide, Nassau – 26 January 1891, Cologne) was a German engineer who successfully developed the compressed charge internal combustion engine which ran on petroleum gas and led to the modern internal combustion engine. The Association of German Engineers (VDI) created DIN standard 1940 which says “Otto Engine: internal combustion engine in which the ignition of the compressed fuel-air mixture is initiated by a timed spark”, which has been applied to all engines of this type since.

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Norman Ernest Borlaug (; March 25, 1914 – September 12, 2009) was an American agronomist who led initiatives worldwide that contributed to the extensive increases in agricultural production termed the Green Revolution. Borlaug was awarded multiple honors for his work, including the Nobel Peace Prize, the Presidential Medal of Freedom and the Congressional Gold Medal.
Borlaug received his B.S. in forestry in 1937 and Ph.D. in plant pathology and genetics from the University of Minnesota in 1942. He took up an agricultural research position with CIMMYT in Mexico, where he developed semi-dwarf, high-yield, disease-resistant wheat varieties. During the mid-20th century, Borlaug led the introduction of these high-yielding varieties combined with modern agricultural production techniques to Mexico, Pakistan, and India. As a result, Mexico became a net exporter of wheat by 1963. Between 1965 and 1970, wheat yields nearly doubled in Pakistan and India, greatly improving the food security in those nations.Borlaug was often called “the father of the Green Revolution”, and is credited with saving over a billion people worldwide from starvation. According to Jan Douglas, executive assistant to the president of the World Food Prize Foundation, the source of this number is Gregg Easterbrook’s 1997 article “Forgotten Benefactor of Humanity.” The article states that the “form of agriculture that Borlaug preaches may have prevented a billion deaths.” He was awarded the Nobel Peace Prize in 1970 in recognition of his contributions to world peace through increasing food supply.
Later in his life, he helped apply these methods of increasing food production in Asia and Africa.

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The Wright brothers – Orville (August 19, 1871 – January 30, 1948) and Wilbur (April 16, 1867 – May 30, 1912) – were two American aviation pioneers generally credited with inventing, building, and flying the world’s first successful motor-operated airplane. They made the first controlled, sustained flight of a powered, heavier-than-air aircraft with the Wright Flyer on December 17, 1903, 4 mi (6 km) south of Kitty Hawk, North Carolina. The brothers were also the first to invent aircraft controls that made fixed-wing powered flight possible.
In 1904–1905, the Wright brothers developed their flying machine to make longer-running and more aerodynamic flights with the Wright Flyer II, followed by the first truly practical fixed-wing aircraft, the Wright Flyer III. The brothers’ breakthrough was their creation of a three-axis control system, which enabled the pilot to steer the aircraft effectively and to maintain its equilibrium. This method remains standard on fixed-wing aircraft of all kinds.: 183  From the beginning of their aeronautical work, Wilbur and Orville focused on developing a reliable method of pilot control as the key to solving “the flying problem”. This approach differed significantly from other experimenters of the time who put more emphasis on developing powerful engines. Using a small home-built wind tunnel, the Wrights also collected more accurate data than any before, enabling them to design more efficient wings and propellers.: 156 : 228  Their first U.S. patent did not claim invention of a flying machine, but rather a system of aerodynamic control that manipulated a flying machine’s surfaces.The brothers gained the mechanical skills essential to their success by working for years in their Dayton, Ohio-based shop with printing presses, bicycles, motors, and other machinery. Their work with bicycles, in particular, influenced their belief that an unstable vehicle such as a flying machine could be controlled and balanced with practice.: 169  From 1900 until their first powered flights in late 1903, they conducted extensive glider tests that also developed their skills as pilots. Their shop employee Charlie Taylor became an important part of the team, building their first airplane engine in close collaboration with the brothers.
The Wright brothers’ status as inventors of the airplane has been subject to counter-claims by various parties. Much controversy persists over the many competing claims of early aviators. Edward Roach, historian for the Dayton Aviation Heritage National Historical Park, argues that they were excellent self-taught engineers who could run a small company, but they did not have the business skills or temperament to dominate the growing aviation industry.

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Pablo Ruiz Picasso (25 October 1881 – 8 April 1973) was a Spanish painter, sculptor, printmaker, ceramicist and theatre designer who spent most of his adult life in France. Regarded as one of the most influential artists of the 20th century, he is known for co-founding the Cubist movement, the invention of constructed sculpture, the co-invention of collage, and for the wide variety of styles that he helped develop and explore. Among his most famous works are the proto-Cubist Les Demoiselles d’Avignon (1907), and Guernica (1937), a dramatic portrayal of the bombing of Guernica by German and Italian air forces during the Spanish Civil War.
Picasso demonstrated extraordinary artistic talent in his early years, painting in a naturalistic manner through his childhood and adolescence. During the first decade of the 20th century, his style changed as he experimented with different theories, techniques, and ideas. After 1906, the Fauvist work of the slightly older artist Henri Matisse motivated Picasso to explore more radical styles, beginning a fruitful rivalry between the two artists, who subsequently were often paired by critics as the leaders of modern art.Picasso’s work is often categorized into periods. While the names of many of his later periods are debated, the most commonly accepted periods in his work are the Blue Period (1901–1904), the Rose Period (1904–1906), the African-influenced Period (1907–1909), Analytic Cubism (1909–1912), and Synthetic Cubism (1912–1919), also referred to as the Crystal period. Much of Picasso’s work of the late 1910s and early 1920s is in a neoclassical style, and his work in the mid-1920s often has characteristics of Surrealism. His later work often combines elements of his earlier styles.
Exceptionally prolific throughout the course of his long life, Picasso achieved universal renown and immense fortune for his revolutionary artistic accomplishments, and became one of the best-known figures in 20th-century art.

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Percy Lavon Julian (April 11, 1899 – April 19, 1975) was an American research chemist and a pioneer in the chemical synthesis of medicinal drugs from plants. He was the first to synthesize the natural product physostigmine and was a pioneer in the industrial large-scale chemical synthesis of the human hormones progesterone and testosterone from plant sterols such as stigmasterol and sitosterol. His work laid the foundation for the steroid drug industry’s production of cortisone, other corticosteroids, and birth control pills.He later started his own company to synthesize steroid intermediates from the wild Mexican yam. His work helped greatly reduce the cost of steroid intermediates to large multinational pharmaceutical companies, helping to significantly expand the use of several important drugs.Julian is a “part of a small group” of African-American Inventors and Scientists; he received more than 130 chemical patents. He was one of the first African Americans to receive a doctorate in chemistry. He was the first African-American chemist inducted into the National Academy of Sciences, and the second African-American scientist inducted (after David Blackwell) from any field.

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Vilhelm Friman Koren Bjerknes ( BYURK-niss, Norwegian: [ˈbjæ̂rkneːs]; 14 March 1862 – 9 April 1951) was a Norwegian physicist and meteorologist who did much to found the modern practice of weather forecasting. He formulated the primitive equations that are still in use in numerical weather prediction and climate modeling, and he developed the so-called Bergen School of Meteorology, which was successful in advancing weather prediction and meteorology in the early 20th century.

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Vincent Willem van Gogh (Dutch: [ˈvɪnsənt ˈʋɪləm vɑŋ ˈɣɔx] (listen); 30 March 1853 – 29 July 1890) was a Dutch Post-Impressionist painter who posthumously became one of the most famous and influential figures in Western art history. In a decade, he created about 2,100 artworks, including around 860 oil paintings, most of which date from the last two years of his life. They include landscapes, still lifes, portraits and self-portraits; they are characterised by bold colours and dramatic, impulsive and expressive brushwork that contributed to the foundations of modern art. Not commercially successful, he struggled with severe depression and poverty, eventually leading to his suicide at age thirty-seven.
Born into an upper-middle-class family, Van Gogh drew as a child and was serious, quiet, and thoughtful. As a young man, he worked as an art dealer, often traveling, but became depressed after he was transferred to London. He turned to religion and spent time as a Protestant missionary in southern Belgium. He drifted in ill health and solitude before taking up painting in 1881, having moved back home with his parents. His younger brother Theo supported him financially; the two kept a long correspondence by letter. His early works, mostly still lifes and depictions of peasant labourers, contain few signs of the vivid colour that distinguished his later work. In 1886, he moved to Paris, where he met members of the avant-garde, including Émile Bernard and Paul Gauguin, who were reacting against the Impressionist sensibility. As his work developed he created a new approach to still lifes and local landscapes. His paintings grew brighter as he developed a style that became fully realised during his stay in Arles in the South of France in 1888. During this period he broadened his subject matter to include series of olive trees, wheat fields and sunflowers.
Van Gogh suffered from psychotic episodes and delusions and though he worried about his mental stability, he often neglected his physical health, did not eat properly and drank heavily. His friendship with Gauguin ended after a confrontation with a razor when, in a rage, he severed part of his own left ear. He spent time in psychiatric hospitals, including a period at Saint-Rémy. After he discharged himself and moved to the Auberge Ravoux in Auvers-sur-Oise near Paris, he came under the care of the homeopathic doctor Paul Gachet. His depression persisted, and on 27 July 1890, Van Gogh is believed to have shot himself in the chest with a revolver, dying from his injuries two days later.
Van Gogh was commercially unsuccessful during his lifetime, and he was considered a madman and a failure. As he only became famous after his suicide, he came to be seen as a misunderstood genius in the public imagination. His reputation grew in the early 20th century as elements of his style came to be incorporated by the Fauves and German Expressionists. He attained widespread critical and commercial success over the ensuing decades, and is remembered as an important but tragic painter whose troubled personality typifies the romantic ideal of the tortured artist. Today, Van Gogh’s works are among the world’s most expensive paintings to have ever sold, and his legacy is honoured by a museum in his name, the Van Gogh Museum in Amsterdam, which holds the world’s largest collection of his paintings and drawings.

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Rudolf Christian Karl Diesel (German: [ˈdiːzl̩] (listen); 18 March 1858 – 29 September 1913) was a German inventor and mechanical engineer who is famous for having invented the Diesel engine. Diesel was the namesake of the 1942 film Diesel.

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Satyendra Nath Bose (1 January 1894 – 4 February 1974) was an Indian mathematician and physicist specialising in theoretical physics. He is best known for his work on quantum mechanics in the early 1920s, collaborating with Albert Einstein in developing the foundation for Bose–Einstein statistics and the theory of the Bose–Einstein condensate. A Fellow of the Royal Society, he was awarded India’s second highest civilian award, the Padma Vibhushan in 1954 by the Government of India.The class of particles that obey Bose–Einstein statistics, bosons, was named after Bose by Paul Dirac.A polymath, he had a wide range of interests in varied fields including physics, mathematics, chemistry, biology, mineralogy, philosophy, arts, literature, and music. He served on many research and development committees in sovereign India.

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Sofya Vasilyevna Kovalevskaya (Russian: Софья Васильевна Ковалевская), born Korvin-Krukovskaya (15 January [O.S. 3 January] 1850 – 10 February 1891), was a Russian mathematician who made noteworthy contributions to analysis, partial differential equations and mechanics. She was a pioneer for women in mathematics around the world – the first woman to obtain a doctorate (in the modern sense) in mathematics, the first woman appointed to a full professorship in northern Europe and one of the first women to work for a scientific journal as an editor. According to historian of science Ann Hibner Koblitz, Kovalevskaya was “the greatest known woman scientist before the twentieth century”.: 255 Historian of mathematics Roger Cooke writes:

… the more I reflect on her life and consider the magnitude of her achievements, set against the weight of the obstacles she had to overcome, the more I admire her. For me she has taken on a heroic stature achieved by very few other people in history. To venture, as she did, into academia, a world almost no woman had yet explored, and to be consequently the object of curious scrutiny, while a doubting society looked on, half-expecting her to fail, took tremendous courage and determination. To achieve, as she did, at least two major results of lasting value to scholarship, is evidence of a considerable talent, developed through iron discipline.: 1

Her sister was the socialist Anne Jaclard.
There are several alternative transliterations of her name. She herself used Sophie Kowalevski (or occasionally Kowalevsky) in her academic publications.

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Marie-Sophie Germain (French: [maʁi sɔfi ʒɛʁmɛ̃]; 1 April 1776 – 27 June 1831) was a French mathematician, physicist, and philosopher. Despite initial opposition from her parents and difficulties presented by society, she gained education from books in her father’s library, including ones by Leonhard Euler, and from correspondence with famous mathematicians such as Lagrange, Legendre, and Gauss (under the pseudonym of «Monsieur LeBlanc»). One of the pioneers of elasticity theory, she won the grand prize from the Paris Academy of Sciences for her essay on the subject. Her work on Fermat’s Last Theorem provided a foundation for mathematicians exploring the subject for hundreds of years after. Because of prejudice against her sex, she was unable to make a career out of mathematics, but she worked independently throughout her life. Before her death, Gauss had recommended that she be awarded an honorary degree, but that never occurred. On 27 June 1831, she died from breast cancer. At the centenary of her life, a street and a girls’ school were named after her. The Academy of Sciences established the Sophie Germain Prize in her honor.

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Lawrence Edward Page (born March 26, 1973) is an American computer scientist and Internet entrepreneur. He is best known as one of the co-founders of Google along with Sergey Brin. Page was the chief executive officer of Google from 1997 until August 2001 (stepping down in favor of Eric Schmidt) then from April 2011 until July 2015 when he moved to become CEO of Alphabet Inc. (created to deliver “major advancements” as Google’s parent company), a post he held until December 4, 2019. He remains an Alphabet board member, employee, and controlling shareholder. Creating Google built a large amount of wealth. Forbes placed him 10th in the list “Billionaires 2019”, and as of July 2020, Page was the 13th-richest person in the world, with a net worth of $69.4 billion, according to Forbes. Page is the co-creator and namesake of PageRank, a search ranking algorithm for Google Page received the Marconi Prize in 2004 with co-writer Brin.

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Mark Elliot Zuckerberg (born May 14, 1984) is an American media magnate, internet entrepreneur, and philanthropist. He is known for co-founding Facebook, Inc. and serves as its chairman, chief executive officer, and controlling shareholder. He also is a co-founder of the solar sail spacecraft development project Breakthrough Starshot and serves as one of its board members.Born in White Plains, New York, Zuckerberg attended Harvard University, where he launched the Facebook social networking service from his dormitory room on February 4, 2004, with college roommates Eduardo Saverin, Andrew McCollum, Dustin Moskovitz, and Chris Hughes. Originally launched to select college campuses, the site expanded rapidly and eventually beyond colleges, reaching one billion users by 2012. Zuckerberg took the company public in May 2012 with majority shares. In 2007, at age 23, he became the world’s youngest self-made billionaire. As of November 2020, Zuckerberg’s net worth is $101.2 billion, making him the 4th-richest person in the world. He is the only person under 40 years old in Forbes’ list of the 20 richest people.Since 2010, Time magazine has named Zuckerberg among the 100 most influential people in the world as a part of its Person of the Year award. In December 2016, Zuckerberg was ranked 10th on Forbes list of The World’s Most Powerful People.

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Jeffrey Preston Bezos (born January 12, 1964) is an American internet entrepreneur, industrialist, media proprietor, and investor. He is best known as the founder, CEO, and president of the multi-national technology company Amazon. The first centi-billionaire on the Forbes wealth index, Bezos has been the world’s richest person since 2017 and was named the “richest man in modern history” after his net worth increased to $150 billion in July 2018. According to Forbes, he is the first person in history to have a net worth exceeding $200 billion.Born in Albuquerque and raised in Houston and later Miami, Bezos graduated from Princeton University in 1986. He holds a degree in electrical engineering and computer science. He worked on Wall Street in a variety of related fields from 1986 to early 1994. Bezos founded Amazon in late 1994 on a cross-country road trip from New York City to Seattle. The company began as an online bookstore and has since expanded to a wide variety of other e-commerce products and services, including video and audio streaming, cloud computing, and artificial intelligence. It is currently the world’s largest online sales company, the largest Internet company by revenue, and the world’s largest provider of virtual assistants and cloud infrastructure services through its Amazon Web Services branch.
Bezos founded the aerospace manufacturer and sub-orbital spaceflight services company Blue Origin in 2000. Blue Origin’s New Shepard vehicle reached space in 2015, and afterwards successfully landed back on Earth. The company has upcoming plans to begin commercial suborbital human spaceflight. He also purchased the major American newspaper The Washington Post in 2013 for $250 million, and manages many other investments through his Bezos Expeditions venture capital firm.

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Gerardus Mercator (; 5 March 1512 – 2 December 1594) was a 16th-century geographer, cosmographer and cartographer from the County of Flanders. He is most renowned for creating the 1569 world map based on a new projection which represented sailing courses of constant bearing (rhumb lines) as straight lines—an innovation that is still employed in nautical charts.

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My Father and My Son is a 2005 Turkish drama film written and directed by Çağan Irmak about a family torn apart by the 1980 Turkish coup d’état. The film which went on nationwide release on 18 November 2005 became one of the highest-grossing Turkish films in history.

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ʻAbdu’l-Bahá (; Persian: عبد البهاء‎, 23 May 1844 – 28 November 1921), born ʻAbbás (Persian: عباس‎), was the eldest son of Baháʼu’lláh and served as head of the Baháʼí Faith from 1892 until 1921. ʻAbdu’l-Bahá was later canonized as the last of three “central figures” of the religion, along with Baháʼu’lláh and the Báb, and his writings and authenticated talks are regarded as a source of Baháʼí sacred literature.He was born in Tehran to an aristocratic family. At the age of eight his father was imprisoned during a government crackdown on the Bábí Faith and the family’s possessions were looted, leaving them in virtual poverty. His father was exiled from their native Iran, and the family went to live in Baghdad, where they stayed for nine years. They were later called by the Ottoman state to Istanbul before going into another period of confinement in Edirne and finally the prison-city of ʻAkká (Acre). ʻAbdu’l-Bahá remained a political prisoner there until the Young Turk Revolution freed him in 1908 at the age of 64. He then made several journeys to the West to spread the Baháʼí message beyond its middle-eastern roots, but the onset of World War I left him largely confined to Haifa from 1914 to 1918. The war replaced the openly hostile Ottoman authorities with the British Mandate, who knighted him for his help in averting famine following the war.
In 1892 ʻAbdu’l-Bahá was appointed in his father’s will to be his successor and head of the Baháʼí Faith. He faced opposition from virtually all his family members, but held the loyalty of the great majority of Baháʼís around the world. His Tablets of the Divine Plan helped galvanize Baháʼís in North America into spreading the Baháʼí teachings to new territories, and his Will and Testament laid the foundation for the current Baháʼí administrative order. Many of his writings, prayers and letters are extant, and his discourses with the Western Baháʼís emphasize the growth of the faith by the late 1890s.
ʻAbdu’l-Bahá’s given name was ʻAbbás. Depending on context, he would have gone by either Mírzá ʻAbbás (Persian) or ʻAbbás Effendi (Turkish), both of which are equivalent to the English Sir ʻAbbás. He preferred the title of ʻAbdu’l-Bahá (“servant of Bahá”, a reference to his father). He is commonly referred to in Baháʼí texts as “The Master”.

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Abū Bakr Muḥammad ibn Zakariyyāʾ al-Rāzī (Arabic: أبو بكر محمد بن زكرياء الرازي‎), also known by his Latinized name Rhazes), 864 or 865 – 925 or 935 CE, was a Persian physician, philosopher and alchemist, widely considered one of the most important figures in the history of medicine. He also wrote on logic, astronomy and grammar.A comprehensive thinker, al-Razi made fundamental and enduring contributions to various fields, which he recorded in over 200 manuscripts, and is particularly remembered for numerous advances in medicine through his observations and discoveries. An early proponent of experimental medicine, he became a successful doctor, and served as chief physician of Baghdad and Ray hospitals. As a teacher of medicine, he attracted students of all backgrounds and interests and was said to be compassionate and devoted to the service of his patients, whether rich or poor.According to the Encyclopædia Britannica (1911), he was among the first to use humoral theory to distinguish one contagious disease from another, and wrote a pioneering book about smallpox and measles providing clinical characterization of the diseases.Through translation, his medical works and ideas became known among medieval European practitioners and profoundly influenced medical education in the Latin West. Some volumes of his work Al-Mansuri, namely “On Surgery” and “A General Book on Therapy”, became part of the medical curriculum in Western universities. Edward Granville Browne considers him as “probably the greatest and most original of all the Muslim physicians, and one of the most prolific as an author”. Additionally, he has been described as the father of pediatrics, and a pioneer of obstetrics and ophthalmology. For example, he was the first to recognize the reaction of the eye’s pupil to light.

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Alphonse Gabriel Capone (; January 17, 1899 – January 25, 1947), sometimes known by the nickname “Scarface”, was an American gangster and businessman who attained notoriety during the Prohibition era as the co-founder and boss of the Chicago Outfit. His seven-year reign as a crime boss ended when he went to prison at the age of 33.
Capone was born in New York City in 1899 to Italian immigrant parents. He joined the Five Points Gang as a teenager and became a bouncer in organized crime premises such as brothels. In his early twenties, he moved to Chicago and became a bodyguard and trusted factotum for Johnny Torrio, head of a criminal syndicate that illegally supplied alcohol—the forerunner of the Outfit—and was politically protected through the Unione Siciliana. A conflict with the North Side Gang was instrumental in Capone’s rise and fall. Torrio went into retirement after North Side gunmen almost killed him, handing control to Capone. Capone expanded the bootlegging business through increasingly violent means, but his mutually profitable relationships with mayor William Hale Thompson and the city’s police meant he seemed safe from law enforcement.
Capone apparently reveled in attention, such as the cheers from spectators when he appeared at ball games. He made donations to various charities and was viewed by many as a “modern-day Robin Hood”. However, the Saint Valentine’s Day Massacre, in which seven gang rivals were murdered in broad daylight, damaged the public image of Chicago and Capone, leading influential citizens to demand government action and newspapers to dub Capone “Public Enemy No.1”.
The federal authorities became intent on jailing Capone and charged him with 22 counts of tax evasion. He was convicted of five counts in 1931. During a highly publicized case, the judge admitted as evidence Capone’s admissions of his income and unpaid taxes, made during prior (and ultimately abortive) negotiations to pay the government taxes he owed. He was convicted and sentenced to 11 years in federal prison. After conviction, he replaced his defense team with experts in tax law, and his grounds for appeal were strengthened by a Supreme Court ruling, but his appeal ultimately failed. Capone showed signs of neurosyphilis early in his sentence and became increasingly debilitated before being released after almost eight years of incarceration. On January 25, 1947, he died of cardiac arrest after suffering a stroke.

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Alexander III of Macedon (Greek: Ἀλέξανδρος, Aléxandros; 20/21 July 356 BC – 10/11 June 323 BC), commonly known as Alexander the Great, was a king of the ancient Greek kingdom of Macedon. A member of the Argead dynasty, he was born in Pella—a city in Ancient Greece—in 356 BC. He succeeded his father King Philip II to the throne at the age of 20, and spent most of his ruling years conducting a lengthy military campaign throughout Western Asia and Northeastern Africa. By the age of thirty, he had created one of the largest empires in history, stretching from Greece to northwestern India. He was undefeated in battle and is widely considered to be one of history’s greatest and most successful military commanders.

During his youth, Alexander was tutored by Aristotle until the age of 16. His father Philip was assassinated in 336 BC at the wedding of Cleopatra of Macedon, Alexander’s sister, and Alexander assumed the throne of the Kingdom of Macedon. After sacking the city of Thebes, Alexander was awarded the generalship of Greece. He used his authority to launch his father’s pan-Hellenic project, which involved him assuming the leadership position to all the Greeks in their conquest of Persia.In 334 BC he invaded the Achaemenid Empire (Persian Empire) and began a series of campaigns that lasted 10 years. Following his conquest of Asia Minor (modern-day Turkey), Alexander broke the power of Persia in a series of decisive battles, including those at Issus and Gaugamela. He subsequently overthrew King Darius III and conquered the Achaemenid Empire in its entirety. At that point, his empire stretched from the Adriatic Sea to the Indus River. Alexander endeavored to reach the “ends of the world and the Great Outer Sea” and invaded India in 326 BC, achieving an important victory over King Porus at the Battle of the Hydaspes. He eventually turned back at the Beas River due to the demand of his homesick troops, dying in Babylon in 323 BC; the city he planned to establish as his capital. He did not manage to execute a series of planned campaigns that would have begun with an invasion of Arabia. In the years following his death, a series of civil wars tore his empire apart.
Alexander’s legacy includes the cultural diffusion and syncretism which his conquests engendered, such as Greco-Buddhism and Hellenistic Judaism. He founded more than twenty cities that bore his name, most notably Alexandria in Egypt. Alexander’s settlement of Greek colonists and the resulting spread of Greek culture resulted in Hellenistic civilization, which developed through the Roman Empire into modern Western culture. The Greek language became the lingua franca of the region and was the predominant language of the Byzantine Empire up until its end in the mid-15th century AD. Greek-speaking communities in central and far eastern Anatolia survived until the Greek genocide and the population exchange in the 1920s. Alexander became legendary as a classical hero in the mould of Achilles, featuring prominently in the history and mythic traditions of both Greek and non-Greek cultures. His military achievements and enduring, unprecedented success in battle made him the measure against which many later military leaders would compare themselves. Military academies throughout the world still teach his tactics. He is often ranked among the most influential people in human history.

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Friedrich Wilhelm Heinrich Alexander von Humboldt (14 September 1769 – 6 May 1859) was a German polymath, geographer, naturalist, explorer, and proponent of Romantic philosophy and science. He was the younger brother of the Prussian minister, philosopher, and linguist Wilhelm von Humboldt (1767–1835). Humboldt’s quantitative work on botanical geography laid the foundation for the field of biogeography. Humboldt’s advocacy of long-term systematic geophysical measurement laid the foundation for modern geomagnetic and meteorological monitoring.Between 1799 and 1804, Humboldt travelled extensively in the Americas, exploring and describing them for the first time from a modern Western scientific point of view. His description of the journey was written up and published in several volumes over 21 years. Humboldt was one of the first people to propose that the lands bordering the Atlantic Ocean were once joined (South America and Africa in particular).
Humboldt resurrected the use of the word cosmos from the ancient Greek and assigned it to his multivolume treatise, Kosmos, in which he sought to unify diverse branches of scientific knowledge and culture. This important work also motivated a holistic perception of the universe as one interacting entity. He was the first person to describe the phenomenon and cause of human-induced climate change, in 1800 and again in 1831, based on observations generated during his travels.

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Alfred the Great (848/49 – 26 October 899) was king of the West Saxons from 871 to c. 886 and king of the Anglo-Saxons from c. 886 to 899. He was the youngest son of King Æthelwulf, who died when Alfred was young. Three of Alfred’s brothers, Æthelbald, Æthelberht and Æthelred, reigned in turn before him.
After ascending the throne, Alfred spent several years fighting Viking invasions. He won a decisive victory in the Battle of Edington in 878 and made an agreement with the Vikings, creating what was known as the Danelaw in the North of England. Alfred also oversaw the conversion of Viking leader Guthrum to Christianity. He defended his kingdom against the Viking attempt at conquest, becoming the dominant ruler in England. Details of his life are described in a work by 9th-century Welsh scholar and bishop Asser.
Alfred had a reputation as a learned and merciful man of a gracious and level-headed nature who encouraged education, proposing that primary education be conducted in Old English rather than Latin and improving the legal system and military structure and his people’s quality of life. He was given the epithet “the Great” in the 16th century.

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Andrew Stephen Grove (born András István Gróf; 2 September 1936 – 21 March 2016) was a Hungarian-American businessman, engineer, and CEO of Intel Corporation. He escaped from Communist-controlled Hungary at the age of 20 and moved to the United States, where he finished his education. He was the third employee and eventual third CEO of Intel, transforming the company into the world’s largest semiconductor company.As a result of his work at Intel, along with his books and professional articles, Grove had a considerable influence on electronics manufacturing industries worldwide. He has been called the “guy who drove the growth phase” of Silicon Valley. In 1997, Time magazine chose him as “Man of the Year”, for being “the person most responsible for the amazing growth in the power and the innovative potential of microchips.” One source notes that by his accomplishments at Intel alone, he “merits a place alongside the great business leaders of the 20th century.”In 2000, he was diagnosed with Parkinson’s disease; he became a contributor to several foundations that sponsor research towards a cure. He died at his home on March 21, 2016; the cause of death was not publicly disclosed.

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Antoine-Laurent de Lavoisier (French: [ɑ̃twan lɔʁɑ̃ də lavwazje] UK: lav-WUZ-ee-ay, US: lə-VWAH-zee-ay,; 26 August 1743 – 8 May 1794), also Antoine Lavoisier after the French Revolution, was a French nobleman and chemist who was central to the 18th-century chemical revolution and who had a large influence on both the history of chemistry and the history of biology.
It is generally accepted that Lavoisier’s great accomplishments in chemistry stem largely from his changing the science from a qualitative to a quantitative one. Lavoisier is most noted for his discovery of the role oxygen plays in combustion. He recognized and named oxygen (1778) and hydrogen (1783), and opposed the phlogiston theory. Lavoisier helped construct the metric system, wrote the first extensive list of elements, and helped to reform chemical nomenclature. He predicted the existence of silicon (1787) and discovered that, although matter may change its form or shape, its mass always remains the same.
Lavoisier was a powerful member of a number of aristocratic councils, and an administrator of the Ferme générale. The Ferme générale was one of the most hated components of the Ancien Régime because of the profits it took at the expense of the state, the secrecy of the terms of its contracts, and the violence of its armed agents. All of these political and economic activities enabled him to fund his scientific research. At the height of the French Revolution, he was charged with tax fraud and selling adulterated tobacco, and was guillotined.

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The Lumière brothers (UK: , US: ; French: [lymjɛːʁ]), Auguste Marie Louis Nicolas Lumière (19 October 1862 – 10 April 1954) and Louis Jean Lumière (5 October 1864 – 6 June 1948), were manufacturers of photography equipment, best known for their Cinématographe motion picture system and the short films they produced between 1895 and 1905 which places them among the earliest filmmakers.
Their screening of a single film on 22 March 1895 for around 200 members of the “Society for the Development of the National Industry” in Paris was probably the first presentation of projected film. Their first commercial public screening on 28 December 1895 for around 40 paying visitors and invited relations has traditionally been regarded as the birth of cinema. Either the techniques or the business models of earlier filmmakers proved to be less viable than the breakthrough presentations of the Lumières.

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Friedrich August Kekulé, later Friedrich August Kekule von Stradonitz ( KAY-kə-lay, German: [ˈfʁiːdʁɪç ˈʔaʊɡʊst ˈkeːkuleː fɔn ʃtʁaˈdoːnɪts]; 7 September 1829 – 13 July 1896), was a German organic chemist. From the 1850s until his death, Kekulé was one of the most prominent chemists in Europe, especially in theoretical chemistry. He was the principal founder of the theory of chemical structure and in particular the Kekulé structure of benzene.

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Augusta Ada King, Countess of Lovelace (née Byron; 10 December 1815 – 27 November 1852) was an English mathematician and writer, chiefly known for her work on Charles Babbage’s proposed mechanical general-purpose computer, the Analytical Engine. She was the first to recognise that the machine had applications beyond pure calculation, and to have published the first algorithm intended to be carried out by such a machine. As a result, she is often regarded as the first computer programmer.Ada Byron was the only child of poet Lord Byron and mathematician Lady Byron. All of Byron’s other children were born out of wedlock to other women. Byron separated from his wife a month after Ada was born and left England forever. Four months later, he commemorated the parting in a poem that begins, “Is thy face like thy mother’s my fair child! ADA! sole daughter of my house and heart?”. He died in Greece when Ada was eight years old. Her mother remained bitter and promoted Ada’s interest in mathematics and logic in an effort to prevent her from developing her father’s perceived insanity. Despite this, Ada remained interested in him, naming her two sons Byron and Gordon. Upon her death, she was buried next to him at her request. Although often ill in her childhood, Ada pursued her studies assiduously. She married William King in 1835. King was made Earl of Lovelace in 1838, Ada thereby becoming Countess of Lovelace.
Her educational and social exploits brought her into contact with scientists such as Andrew Crosse, Charles Babbage, Sir David Brewster, Charles Wheatstone, Michael Faraday and the author Charles Dickens, contacts which she used to further her education. Ada described her approach as “poetical science” and herself as an “Analyst (& Metaphysician)”.When she was a teenager (18), her mathematical talents led her to a long working relationship and friendship with fellow British mathematician Charles Babbage, who is known as “the father of computers”. She was in particular interested in Babbage’s work on the Analytical Engine. Lovelace first met him in June 1833, through their mutual friend, and her private tutor, Mary Somerville.
Between 1842 and 1843, Ada translated an article by Italian military engineer Luigi Menabrea about the calculating engine, supplementing it with an elaborate set of notes, simply called “Notes”. Lovelace’s notes are important in the early history of computers, containing what many consider to be the first computer program—that is, an algorithm designed to be carried out by a machine. Other historians reject this perspective and point out that Babbage’s personal notes from the years 1836/1837 contain the first programs for the engine. She also developed a vision of the capability of computers to go beyond mere calculating or number-crunching, while many others, including Babbage himself, focused only on those capabilities. Her mindset of “poetical science” led her to ask questions about the Analytical Engine (as shown in her notes) examining how individuals and society relate to technology as a collaborative tool.She died of uterine cancer in 1852 at the age of 36.

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Baron Augustin-Louis Cauchy (; French: [oɡystɛ̃ lwi koʃi]; 21 August 1789 – 23 May 1857) was a French mathematician, engineer, and physicist who made pioneering contributions to several branches of mathematics, including mathematical analysis and continuum mechanics. He was one of the first to state and rigorously prove theorems of calculus, rejecting the heuristic principle of the generality of algebra of earlier authors. He almost singlehandedly founded complex analysis and the study of permutation groups in abstract algebra.
A profound mathematician, Cauchy had a great influence over his contemporaries and successors; Hans Freudenthal stated: “More concepts and theorems have been named for Cauchy than for any other mathematician (in elasticity alone there are sixteen concepts and theorems named for Cauchy).” Cauchy was a prolific writer; he wrote approximately eight hundred research articles and five complete textbooks on a variety of topics in the fields of mathematics and mathematical physics.

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Caesar Augustus (23 September 63 BC – 19 August AD 14), also known as Octavian, was the first Roman emperor, reigning from 27 BC until his death in AD 14. His status as the founder of the Roman Principate (the first phase of the Roman Empire) has consolidated a legacy as one of the most effective leaders in human history. The reign of Augustus initiated an era of relative peace known as the Pax Romana. The Roman world was largely free from large-scale conflict for more than two centuries, despite continuous wars of imperial expansion on the Empire’s frontiers and the year-long civil war known as the “Year of the Four Emperors” over the imperial succession.
Originally named Gaius Octavius, he was born into an old and wealthy equestrian branch of the plebeian gens Octavia. His maternal great-uncle Julius Caesar was assassinated in 44 BC and Octavius was named in Caesar’s will as his adopted son and heir; as a result, he inherited Caesar’s name, estate, and the loyalty of his legions. He, Mark Antony and Marcus Lepidus formed the Second Triumvirate to defeat the assassins of Caesar. Following their victory at the Battle of Philippi (42 BC), the Triumvirate divided the Roman Republic among themselves and ruled as de facto dictators. The Triumvirate was eventually torn apart by the competing ambitions of its members; Lepidus was exiled in 36 BC and Antony was defeated by Octavian at the Battle of Actium in 31 BC.
After the demise of the Second Triumvirate, Augustus restored the outward façade of the free Republic, with governmental power vested in the Roman Senate, the executive magistrates and the legislative assemblies, yet maintained autocratic authority by having the Senate grant him lifetime tenure as supreme military command, tribune and censor. A similar ambiguity is seen in his chosen names, the implied rejection of monarchical titles whereby he called himself Princeps Civitatis (First Citizen) juxtaposed with his adoption of the ancient title Augustus.
Augustus dramatically enlarged the Empire, annexing Egypt, Dalmatia, Pannonia, Noricum and Raetia, expanding possessions in Africa, and completing the conquest of Hispania, but suffered a major setback in Germania. Beyond the frontiers, he secured the Empire with a buffer region of client states and made peace with the Parthian Empire through diplomacy. He reformed the Roman system of taxation, developed networks of roads with an official courier system, established a standing army, established the Praetorian Guard, official police and fire-fighting services for Rome, and rebuilt much of the city during his reign. Augustus died in AD 14 at the age of 75, probably from natural causes. Persistent rumors, substantiated somewhat by deaths in the imperial family, have claimed his wife Livia poisoned him. He was succeeded as emperor by his adopted son Tiberius, Livia’s son and also former husband of Augustus’ only biological daughter Julia.

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Babur (Persian: بابر‎, romanized: Bābur, lit. ’tiger’; 14 February 1483 – 26 December 1530), born Zahīr ud-Dīn Muhammad, was the founder of the Mughal Empire and first Emperor of the Mughal dynasty (r. 1526–1530) in the Indian subcontinent. He was a descendant of Timur and Genghis Khan through his father and mother respectively. He was also given the posthumous name of Firdaws Makani (‘Dwelling in Paradise’).Of Chagatai Turkic origin and born in Andijan in the Fergana Valley (in present-day Uzbekistan), Babur was the eldest son of Umar Sheikh Mirza (1456–1494, governor of Fergana from 1469 to 1494) and a great-great grandson of Timur (1336–1405). Babur ascended the throne of Fergana in its capital Akhsikent in 1494 at the age of twelve and faced rebellion. He conquered Samarkand two years later, only to lose Fergana soon after. In his attempt to reconquer Fergana, he lost control of Samarkand. In 1501 his attempt to recapture both the regions failed when Muhammad Shaybani Khan defeated him. In 1504 he conquered Kabul, which was under the putative rule of Abdur Razaq Mirza, the infant heir of Ulugh Beg II. Babur formed a partnership with the Safavid ruler Ismail I and reconquered parts of Turkistan, including Samarkand, only to again lose it and the other newly conquered lands to the Sheybanids.
After losing Samarkand for the third time, Babur turned his attention to India and employed aid from the neighbouring Safavid and Ottoman empires Babur defeated Ibrahim Lodi, Sultan of Delhi, at the First Battle of Panipat in 1526 CE and founded the Mughal Empire. At the time, the sultanate at Delhi was a spent force that was long crumbling. The Mewar kingdom, under the able rule of Rana Sanga, had turned into one of the strongest powers of northern India. Sanga unified several Rajput clans for the first time after Prithviraj Chauhan and advanced on Babur with a grand coalition of 100,000 Rajputs. However, Sanga suffered a major defeat in the Battle of Khanwa due to Babur’s skillful positioning of troops and modern tactics and firepower. The Battle of Khanua was one of the most decisive battles in Indian history, more so than the First Battle of Panipat, as the defeat of Rana Sanga was a watershed event in the Mughal conquest of northern India.Babur married several times. Notable among his sons are Humayun, Kamran Mirza and Hindal Mirza. Babur died in 1530 in Agra and Humayun succeeded him. Babur was first buried in Agra but, as per his wishes, his remains were moved to Kabul and reburied. He ranks as a national hero in Uzbekistan and Kyrgyzstan. Many of his poems have become popular folk songs. He wrote the Baburnama in Chaghatai Turkic; it was translated into Persian during the reign (1556–1605) of his grandson, the Emperor Akbar.

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Betty Friedan ( February 4, 1921 – February 4, 2006) was an American feminist writer and activist. A leading figure in the women’s movement in the United States, her 1963 book The Feminine Mystique is often credited with sparking the second wave of American feminism in the 20th century. In 1966, Friedan co-founded and was elected the first president of the National Organization for Women (NOW), which aimed to bring women “into the mainstream of American society now [in] fully equal partnership with men”.
In 1970, after stepping down as NOW’s first president, Friedan organized the nationwide Women’s Strike for Equality on August 26, the 50th anniversary of the Nineteenth Amendment to the United States Constitution granting women the right to vote. The national strike was successful beyond expectations in broadening the feminist movement; the march led by Friedan in New York City alone attracted over 50,000 people.
In 1971, Friedan joined other leading feminists to establish the National Women’s Political Caucus. Friedan was also a strong supporter of the proposed Equal Rights Amendment to the United States Constitution that passed the United States House of Representatives (by a vote of 354–24) and Senate (84–8) following intense pressure by women’s groups led by NOW in the early 1970s. Following Congressional passage of the amendment, Friedan advocated for ratification of the amendment in the states and supported other women’s rights reforms: she founded the National Association for the Repeal of Abortion Laws but was later critical of the abortion-centered positions of many liberal feminists.
Regarded as an influential author and intellectual in the United States, Friedan remained active in politics and advocacy until the late 1990s, authoring six books. As early as the 1960s Friedan was critical of polarized and extreme factions of feminism that attacked groups such as men and homemakers. One of her later books, The Second Stage (1981), critiqued what Friedan saw as the extremist excesses of some feminists.

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Johann Carl Friedrich Gauss (; German: Gauß [kaʁl ˈfʁiːdʁɪç ˈɡaʊs] (listen); Latin: Carolus Fridericus Gauss; 30 April 1777 – 23 February 1855) was a German mathematician and physicist who made significant contributions to many fields in mathematics and science. Sometimes referred to as the Princeps mathematicorum (Latin for ‘”the foremost of mathematicians”‘) and “the greatest mathematician since antiquity”, Gauss had an exceptional influence in many fields of mathematics and science, and is ranked among history’s most influential mathematicians.

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Carl Gustav Jung ( YUUNG; born Karl Gustav Jung, German: [kaʁl ˈjʊŋ]; 26 July 1875 – 6 June 1961), was a Swiss psychiatrist and psychoanalyst who founded analytical psychology. Jung’s work has been influential in the fields of psychiatry, anthropology, archaeology, literature, philosophy, psychology and religious studies. Jung worked as a research scientist at the famous Burghölzli hospital, under Eugen Bleuler. During this time, he came to the attention of Sigmund Freud, the founder of psychoanalysis. The two men conducted a lengthy correspondence and collaborated, for a while, on a joint vision of human psychology.
Freud saw the younger Jung as the heir he had been seeking to take forward his “new science” of psychoanalysis and to this end secured his appointment as President of his newly founded International Psychoanalytical Association. Jung’s research and personal vision, however, made it impossible for him to follow his older colleague’s doctrine and a schism became inevitable. This division was personally painful for Jung and resulted in the establishment of Jung’s analytical psychology as a comprehensive system separate from psychoanalysis.
Among the central concepts of analytical psychology is individuation—the lifelong psychological process of differentiation of the self out of each individual’s conscious and unconscious elements. Jung considered it to be the main task of human development. He created some of the best known psychological concepts, including synchronicity, archetypal phenomena, the collective unconscious, the psychological complex and extraversion and introversion.
Jung was also an artist, craftsman, builder and a prolific writer. Many of his works were not published until after his death and some are still awaiting publication.

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Caroline Lucretia Herschel (; 16 March 1750 – 9 January 1848) was a German astronomer, whose most significant contributions to astronomy were the discoveries of several comets, including the periodic comet 35P/Herschel–Rigollet, which bears her name. She was the younger sister of astronomer William Herschel, with whom she worked throughout her career.
She was the first woman to receive a salary as a scientist. She was the first woman in England to hold a government position. She was the first woman to publish scientific findings in the Philosophical Transactions of the Royal Society, to be awarded a Gold Medal of the Royal Astronomical Society (1828), and to be named an Honorary Member of the Royal Astronomical Society (1835, with Mary Somerville). She was also named an honorary member of the Royal Irish Academy (1838). The King of Prussia presented her with a Gold Medal for Science on the occasion of her 96th birthday (1846).

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Charlemagne (English: SHAR-lə-mayn, -⁠MAYN, French: [ʃaʁləmaɲ]) or Charles the Great (Latin: Carolus Magnus; 2 April 748 – 28 January 814), numbered Charles I, was King of the Franks from 768, King of the Lombards from 774, and Emperor of the Romans from 800. During the Early Middle Ages, Charlemagne united the majority of western and central Europe. He was the first recognized emperor to rule from western Europe since the fall of the Western Roman Empire around three centuries earlier. The expanded Frankish state that Charlemagne founded is known as the Carolingian Empire. He was later canonised by Antipope Paschal III.
Charlemagne was the eldest son of Pepin the Short and Bertrada of Laon, born before their canonical marriage. He became king of the Franks in 768 following his father’s death, initially as co-ruler with his brother Carloman I, until the latter’s death in 771. As sole ruler, he continued his father’s policy towards the papacy and became its protector, removing the Lombards from power in northern Italy and leading an incursion into Muslim Spain. He campaigned against the Saxons to his east, Christianising them upon penalty of death and leading to events such as the Massacre of Verden. He reached the height of his power in 800 when he was crowned “Emperor of the Romans” by Pope Leo III on Christmas Day at Old St. Peter’s Basilica in Rome.
Charlemagne has been called the “Father of Europe” (Pater Europae), as he united most of Western Europe for the first time since the classical era of the Roman Empire and united parts of Europe that had never been under Frankish or Roman rule. His rule spurred the Carolingian Renaissance, a period of energetic cultural and intellectual activity within the Western Church. The Eastern Orthodox Church viewed Charlemagne less favourably due to his support of the filioque and the Pope’s having preferred him as emperor over the Byzantine Empire’s first female monarch, Irene of Athens. These and other disputes led to the eventual later split of Rome and Constantinople in the Great Schism of 1054.Charlemagne died in 814. He was laid to rest in the Aachen Cathedral, in his imperial capital city of Aachen. Charlemagne married at least four times, and had three legitimate sons who lived to adulthood. Only the youngest of them, Louis the Pious, survived to succeed him. He also had numerous illegitimate children with his concubines.

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Charles Richard Drew (June 3, 1904 – April 1, 1950) was an American surgeon and medical researcher. He researched in the field of blood transfusions, developing improved techniques for blood storage, and applied his expert knowledge to developing large-scale blood banks early in World War II. This allowed medics to save thousands of Allied forces’ lives during the war. As the most prominent African American in the field, Drew protested against the practice of racial segregation in the donation of blood, as it lacked scientific foundation, and resigned his position with the American Red Cross, which maintained the policy until 1950.

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Charles Goodyear (December 29, 1800 – July 1, 1860) was an American self-taught chemist and manufacturing engineer who developed vulcanized rubber, for which he received patent number 3633 from the United States Patent Office on June 15, 1844.Goodyear is credited with inventing the chemical process to create and manufacture pliable, waterproof, moldable rubber.Goodyear’s discovery of the vulcanization process followed five years of searching for a more stable rubber and stumbling upon the effectiveness of heating after Thomas Hancock. His discovery initiated decades of successful rubber manufacturing in the Lower Naugatuck Valley in Connecticut, as rubber was adopted to multiple applications, including footwear and tires. The Goodyear Tire and Rubber Company is named after him.

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Sir Charles Lyell, 1st Baronet, (14 November 1797 – 22 February 1875) was a Scottish geologist who demonstrated the power of known natural causes in explaining the earth’s history. He is best known as the author of Principles of Geology (1830–33), which presented to a wide public audience the idea that the earth was shaped by the same natural processes still in operation today, operating at similar intensities. The philosopher William Whewell termed this gradualistic view “uniformitarianism” and contrasted it with catastrophism, which had been championed by Georges Cuvier and was better accepted in Europe. The combination of evidence and eloquence in Principles convinced a wide range of readers of the significance of “deep time” for understanding the earth and environment.Lyell’s scientific contributions included a pioneering explanation of climate change, in which shifting boundaries between oceans and continents could be used to explain long-term variations in temperature and rainfall. Lyell also gave influential explanations of earthquakes and developed the theory of gradual “backed up-building” of volcanoes. In stratigraphy his division of the Tertiary period into the Pliocene, Miocene, and Eocene was highly influential. He incorrectly conjectured that icebergs may be the impetus behind the transport of glacial erratics, and that silty loess deposits might have settled out of flood waters. His creation of a separate period for human history, entitled the ‘Recent’, is widely cited as providing the foundations for the modern discussion of the Anthropocene.Building on the innovative work of James Hutton and his follower John Playfair, Lyell favoured an indefinitely long age for the earth, despite evidence suggesting an old but finite age. He was a close friend of Charles Darwin, and contributed significantly to Darwin’s thinking on the processes involved in evolution. As Darwin wrote in On the Origin of Species, “He who can read Sir Charles Lyell’s grand work on the Principles of Geology, which the future historian will recognise as having produced a revolution in natural science, yet does not admit how incomprehensibly vast have been the past periods of time, may at once close this volume.” Lyell helped to arrange the simultaneous publication in 1858 of papers by Darwin and Alfred Russel Wallace on natural selection, despite his personal religious qualms about the theory. He later published evidence from geology of the time man had existed on the earth.

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Ernesto “Che” Guevara (Spanish: [ˈtʃe ɣeˈβaɾa]; 14 June 1928 – 9 October 1967) was an Argentine Marxist revolutionary, physician, author, guerrilla leader, diplomat, and military theorist. A major figure of the Cuban Revolution, his stylized visage has become a ubiquitous countercultural symbol of rebellion and global insignia in popular culture.As a young medical student, Guevara traveled throughout South America and was radicalized by the poverty, hunger, and disease he witnessed. His burgeoning desire to help overturn what he saw as the capitalist exploitation of Latin America by the United States prompted his involvement in Guatemala’s social reforms under President Jacobo Árbenz, whose eventual CIA-assisted overthrow at the behest of the United Fruit Company solidified Guevara’s political ideology. Later in Mexico City, Guevara met Raúl and Fidel Castro, joined their 26th of July Movement, and sailed to Cuba aboard the yacht Granma with the intention of overthrowing U.S.-backed Cuban dictator Fulgencio Batista. Guevara soon rose to prominence among the insurgents, was promoted to second-in-command, and played a pivotal role in the two-year guerrilla campaign that deposed the Batista regime.Following the Cuban Revolution, Guevara performed a number of key roles in the new government. These included reviewing the appeals and firing squads for those convicted as war criminals during the revolutionary tribunals, instituting agrarian land reform as minister of industries, helping spearhead a successful nationwide literacy campaign, serving as both national bank president and instructional director for Cuba’s armed forces, and traversing the globe as a diplomat on behalf of Cuban socialism. Such positions also allowed him to play a central role in training the militia forces who repelled the Bay of Pigs Invasion, and bringing Soviet nuclear-armed ballistic missiles to Cuba, which preceded the 1962 Cuban Missile Crisis. Additionally, Guevara was a prolific writer and diarist, composing a seminal guerrilla warfare manual, along with a best-selling memoir about his youthful continental motorcycle journey. His experiences and studying of Marxism–Leninism led him to posit that the Third World’s underdevelopment and dependence was an intrinsic result of imperialism, neocolonialism, and monopoly capitalism, with the only remedy being proletarian internationalism and world revolution. Guevara left Cuba in 1965 to foment continental revolutions across both Africa and South America, first unsuccessfully in Congo-Kinshasa and later in Bolivia, where he was captured by CIA-assisted Bolivian forces and summarily executed.Guevara remains both a revered and reviled historical figure, polarized in the collective imagination in a multitude of biographies, memoirs, essays, documentaries, songs, and films. As a result of his perceived martyrdom, poetic invocations for class struggle, and desire to create the consciousness of a “new man” driven by moral rather than material incentives, Guevara has evolved into a quintessential icon of various leftist movements. In contrast, his ideological critics on the right accuse him of promoting authoritarianism and endorsing violence against his political opponents. Despite disagreements on his legacy, Time magazine named him one of the 100 most influential people of the 20th century, while an Alberto Korda photograph of him, titled Guerrillero Heroico, was cited by the Maryland Institute College of Art as “the most famous photograph in the world”.

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Chien-Shiung Wu (Chinese: 吳健雄; May 31, 1912 – February 16, 1997) was a Chinese-American particle and experimental physicist who made significant contributions in the fields of nuclear and particle physics. Wu worked on the Manhattan Project, where she helped develop the process for separating uranium into uranium-235 and uranium-238 isotopes by gaseous diffusion. She is best known for conducting the Wu experiment, which proved that parity is not conserved. This discovery resulted in her colleagues Tsung-Dao Lee and Chen-Ning Yang winning the 1957 Nobel Prize in Physics, while Wu herself was awarded the inaugural Wolf Prize in Physics in 1978. Her expertise in experimental physics evoked comparisons to Marie Curie. Her nicknames include the “First Lady of Physics”, the “Chinese Madame Curie” and the “Queen of Nuclear Research”.

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Christiaan Huygens ( HY-gənz, also US: HOY-gənz, Dutch: [ˈkrɪstijaːn ˈɦœyɣə(n)s] (listen); Latin: Hugenius; 14 April 1629 – 8 July 1695), also spelled Huyghens, was a Dutch mathematician, physicist, astronomer and inventor, who is widely regarded as one of the greatest scientists of all time and a major figure in the scientific revolution. In physics, Huygens made groundbreaking contributions in optics and mechanics, while as an astronomer he is chiefly known for his studies of the rings of Saturn and the discovery of its moon Titan. As an inventor, he improved the design of telescopes and invented the pendulum clock, a breakthrough in timekeeping and the most accurate timekeeper for almost 300 years. An exceptionally talented mathematician and physicist, Huygens was the first to idealize a physical problem by a set of parameters then analyze it mathematically (Horologium Oscillatorium), and the first to fully mathematize a mechanistic explanation of an unobservable physical phenomenon (Traité de la Lumière). For these reasons, he has been called the first theoretical physicist and one of the founders of modern mathematical physics.In 1659, Huygens derived geometrically the now standard formulae in classical mechanics for the centripetal force and centrifugal force in his work De vi Centrifuga. Huygens also identified the correct laws of elastic collision for the first time in his work De Motu Corporum ex Percussione, published posthumously in 1703. In the field of optics, he is best known for his wave theory of light, which he proposed in 1678 and described in his Traité de la Lumière (1690). His mathematical theory of light was initially rejected in favor of Newton’s corpuscular theory of light, until Augustin-Jean Fresnel adopted Huygens’s principle in 1818 to explain the rectilinear propagation and diffraction effects of light. Today this principle is known as the Huygens–Fresnel principle.
Huygens invented the pendulum clock in 1657, which he patented the same year. His research in horology resulted in an extensive analysis of the pendulum in Horologium Oscillatorium (1673), regarded as one of the most important 17th century works in mechanics. While the first part contains descriptions of clock designs, most of the book is an analysis of pendulum motion and a theory of curves. In 1655, Huygens began grinding lenses with his brother Constantijn to build telescopes for astronomical research. He was the first to identify the rings of Saturn as “a thin, flat ring, nowhere touching, and inclined to the ecliptic,” and discovered the first of Saturn’s moons, Titan, using a refracting telescope. In 1662 Huygens developed what is now called the Huygenian eyepiece, a telescope with two lenses, which diminished the amount of dispersion.
As a mathematician, Huygens developed the theory of evolutes and wrote on games of chance and the problem of points in Van Rekeningh in Spelen van Gluck, which Frans van Schooten translated and published as De Ratiociniis in Ludo Aleae (1657). The use of expectation values by Huygens and others would later inspire Jacob Bernoulli’s work on probability theory.

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Christopher Latham Sholes (February 14, 1819 – February 17, 1890) was an American inventor who invented the QWERTY keyboard, and, along with Samuel W. Soule, Carlos Glidden and John Pratt, has been contended to be one of the inventors of the first typewriter in the United States. He was also a newspaper publisher and Wisconsin politician. In his time, Sholes went by the names C. Latham Sholes, Latham Sholes, or C. L. Sholes, but never “Christopher Sholes” or “Christopher L. Sholes”.

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Clarissa Harlowe Barton (December 25, 1821 – April 12, 1912) was an American nurse who founded the American Red Cross. She was a hospital nurse in the American Civil War, a teacher, and a patent clerk. Since nursing education was not then very formalized and she did not attend nursing school, she provided self-taught nursing care. Barton is noteworthy for doing humanitarian work and civil rights advocacy at a time before women had the right to vote. She was inducted into the National Women’s Hall of Fame in 1973.

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Clarence Birdseye (December 9, 1886 – October 7, 1956) was an American inventor, entrepreneur, and naturalist, considered the founder of the modern frozen food industry. One of nine children, Birdseye grew up in Brooklyn before heading to Amherst College and began his scientific career with the U.S. government. Among his inventions during his career was the double belt freezer. A biography of his life was published by Doubleday over a half century after his death.

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Cleopatra VII Philopator (Koinē Greek: Κλεοπάτρα Φιλοπάτωρ; 69 BC – 10 August 30 BC) was Queen of the Ptolemaic Kingdom of Egypt, and its last active ruler. A member of the Ptolemaic dynasty, she was a descendant of its founder Ptolemy I Soter, a Macedonian Greek general and companion of Alexander the Great. After the death of Cleopatra, Egypt became a province of the Roman Empire, marking the end of the second to last Hellenistic state and the age that had lasted since the reign of Alexander (336–323 BC). Her native language was Koine Greek, and she was the only Ptolemaic ruler to learn the Egyptian language.In 58 BC, Cleopatra presumably accompanied her father, Ptolemy XII Auletes, during his exile to Rome after a revolt in Egypt (a Roman client state) allowing his daughter Berenice IV to claim the throne. Berenice was killed in 55 BC when Ptolemy returned to Egypt with Roman military assistance. When he died in 51 BC, the joint reign of Cleopatra and her brother Ptolemy XIII began, but a falling-out between them led to open civil war. After losing the 48 BC Battle of Pharsalus in Greece against his rival Julius Caesar (a Roman dictator and consul) in Caesar’s Civil War, the Roman statesman Pompey fled to Egypt. Pompey had been a political ally of Ptolemy XII, but Ptolemy XIII, at the urging of his court eunuchs, had Pompey ambushed and killed before Caesar arrived and occupied Alexandria. Caesar then attempted to reconcile the rival Ptolemaic siblings, but Ptolemy’s chief adviser, Potheinos, viewed Caesar’s terms as favoring Cleopatra, so his forces besieged her and Caesar at the palace. Shortly after the siege was lifted by reinforcements, Ptolemy XIII died in the 47 BC Battle of the Nile; Cleopatra’s half-sister Arsinoe IV was eventually exiled to Ephesus for her role in carrying out the siege. Caesar declared Cleopatra and her brother Ptolemy XIV joint rulers but maintained a private affair with Cleopatra that produced a son, Caesarion. Cleopatra traveled to Rome as a client queen in 46 and 44 BC, where she stayed at Caesar’s villa. After the assassinations of Caesar and (on her orders) Ptolemy XIV in 44 BC, she named Caesarion co-ruler.
In the Liberators’ civil war of 43–42 BC, Cleopatra sided with the Roman Second Triumvirate formed by Caesar’s grandnephew and heir Octavian, Mark Antony, and Marcus Aemilius Lepidus. After their meeting at Tarsos in 41 BC, the queen had an affair with Antony. He carried out the execution of Arsinoe at her request, and became increasingly reliant on Cleopatra for both funding and military aid during his invasions of the Parthian Empire and the Kingdom of Armenia. The Donations of Alexandria declared their children Alexander Helios, Cleopatra Selene II, and Ptolemy Philadelphus rulers over various erstwhile territories under Antony’s triumviral authority. This event, their marriage, and Antony’s divorce of Octavian’s sister Octavia Minor led to the Final War of the Roman Republic. Octavian engaged in a war of propaganda, forced Antony’s allies in the Roman Senate to flee Rome in 32 BC, and declared war on Cleopatra. After defeating Antony and Cleopatra’s naval fleet at the 31 BC Battle of Actium, Octavian’s forces invaded Egypt in 30 BC and defeated Antony, leading to Antony’s suicide. When Cleopatra learned that Octavian planned to bring her to his Roman triumphal procession, she killed herself by poisoning, contrary to the popular belief that she was bitten by an asp.
Cleopatra’s legacy survives in ancient and modern works of art. Roman historiography and Latin poetry produced a generally critical view of the queen that pervaded later Medieval and Renaissance literature. In the visual arts, her ancient depictions include Roman busts, paintings, and sculptures, cameo carvings and glass, Ptolemaic and Roman coinage, and reliefs. In Renaissance and Baroque art, she was the subject of many works including operas, paintings, poetry, sculptures, and theatrical dramas. She has become a pop culture icon of Egyptomania since the Victorian era, and in modern times, Cleopatra has appeared in the applied and fine arts, burlesque satire, Hollywood films, and brand images for commercial products.

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Constantine I (Latin: Flavius Valerius Constantinus; Greek: Κωνσταντῖνος, translit. Kōnstantînos; 27 February c. 272 – 22 May 337), also known as Constantine the Great, was Roman emperor from 306 to 337. Born in Naissus, Dacia Mediterranea (now Niš, Serbia), he was the son of Flavius Constantius (a Roman army officer born in Dacia Ripensis who had been one of the four emperors of the Tetrarchy). His mother, Helena, was Greek and of low birth. Constantine served with distinction under the Roman emperors Diocletian and Galerius. He began by campaigning in the eastern provinces (against barbarians, and the Persians) before he was recalled in the west (in 305 AD) to fight along side his father in Britain. After his father’s death in 306, Constantine became emperor; he was acclaimed by his army at Eboracum (York, England). He emerged victorious in the civil wars against emperors Maxentius and Licinius to become the sole ruler of the Roman Empire by 324.
As emperor, Constantine enacted administrative, financial, social and military reforms to strengthen the empire. He restructured the government, separating civil and military authorities. To combat inflation he introduced the solidus, a new gold coin that became the standard for Byzantine and European currencies for more than a thousand years. The Roman army was reorganised to consist of mobile units (comitatenses), and garrison troops (limitanei) capable of countering internal threats and barbarian invasions. Constantine pursued successful campaigns against the tribes on the Roman frontiers—the Franks, the Alamanni, the Goths and the Sarmatians—even resettling territories abandoned by his predecessors during the Crisis of the Third Century.
Constantine was the first Roman emperor to convert to Christianity. Although he lived much of his life as a pagan, and later as a catechumen, he began to favor Christianity beginning in 312, finally becoming a Christian and being baptised by either Eusebius of Nicomedia, an Arian bishop, or Pope Sylvester I, which is maintained by the Catholic Church and the Coptic Orthodox Church. He played an influential role in the proclamation of the Edict of Milan in 313, which declared tolerance for Christianity in the Roman Empire. He convoked the First Council of Nicaea in 325, which produced the statement of Christian belief known as the Nicene Creed. The Church of the Holy Sepulchre was built on his orders at the purported site of Jesus’ tomb in Jerusalem and became the holiest place in Christendom. The papal claim to temporal power in the High Middle Ages was based on the fabricated Donation of Constantine. He has historically been referred to as the “First Christian Emperor” and he did favour the Christian Church. While some modern scholars debate his beliefs and even his comprehension of Christianity, he is venerated as a saint in Eastern Christianity.
The age of Constantine marked a distinct epoch in the history of the Roman Empire and a pivotal moment in the transition from classical antiquity to the Middle Ages. He built a new imperial residence at Byzantium and renamed the city Constantinople (now Istanbul) after himself (the laudatory epithet of “New Rome” emerged in his time, and was never an official title). It subsequently became the capital of the Empire for more than a thousand years, the later Eastern Roman Empire being referred to as the Byzantine Empire by modern historians. His more immediate political legacy was that he replaced Diocletian’s Tetrarchy with the de facto principle of dynastic succession, by leaving the empire to his sons and other members of the Constantinian dynasty. His reputation flourished during the lifetime of his children and for centuries after his reign. The medieval church held him up as a paragon of virtue, while secular rulers invoked him as a prototype, a point of reference and the symbol of imperial legitimacy and identity. Beginning with the Renaissance, there were more critical appraisals of his reign, due to the rediscovery of anti-Constantinian sources. Trends in modern and recent scholarship have attempted to balance the extremes of previous scholarship.

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Cyrus West Field (November 30, 1819 – July 12, 1892) was an American businessman and financier who, along with other entrepreneurs, created the Atlantic Telegraph Company and laid the first telegraph cable across the Atlantic Ocean in 1858.

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Daisetsu Teitaro Suzuki (Japanese: 鈴木 大拙 貞太郎, romanized: Suzuki Daisetsu Teitarō; he rendered his name “Daisetz” in 1894; 11 November 1870 – 12 July 1966) was a Japanese scholar and author of books and essays on Buddhism, Zen (Chan) and Shin that were instrumental in spreading interest in both Zen and Shin (and Far Eastern philosophy in general) to the West. Suzuki was also a prolific translator of Chinese, Japanese, and Sanskrit literature. Suzuki spent several lengthy stretches teaching or lecturing at Western universities, and devoted many years to a professorship at Ōtani University, a Japanese Buddhist school.
He was nominated for the Nobel Peace Prize in 1963.

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Daniel Joseph Berrigan (May 9, 1921 – April 30, 2016) was an American Jesuit priest, anti-war activist, Christian pacifist, playwright, poet, and author.
Berrigan’s active protest against the Vietnam War earned him both scorn and admiration, especially regarding his association with the Catonsville Nine. It also landed him on the Federal Bureau of Investigation’s “most wanted list” (the first-ever priest on the list), on the cover of Time magazine, and in prison.For the rest of his life, Berrigan remained one of the United States’ leading anti-war activists. In 1980, he co-founded the Plowshares movement, an anti-nuclear protest group, that put him back into the national spotlight. He was also an award-winning and prolific author of some 50 books, a teacher, and a university educator.

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Daniel Hale Williams (January 18, 1856 – August 4, 1931) was an American general surgeon, who in 1893 performed what is referred to as “the first successful heart surgery”. In 1913, Williams was elected as the only African-American charter member of the American College of Surgeons.His famed procedure was a documented, successful pericardium surgery in the US to repair a wound. He founded Chicago’s Provident Hospital, the first non-segregated hospital in the United States and also founded an associated nursing school for African Americans.

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Deng Xiaoping (22 August 1904 – 19 February 1997), also known by his courtesy name Xixian (希贤), was a Chinese revolutionary and statesman who served as the paramount leader of the People’s Republic of China (PRC) from December 1978 to November 1989. After Mao Zedong’s death in 1976, Deng gradually rose to supreme power and led China through a series of far-reaching market-economy reforms, earning him the reputation as the “Architect of Modern China”.Born in the province of Sichuan in the Qing dynasty, Deng studied and worked in France in the 1920s, where he became a follower of Marxism–Leninism and joined the Chinese Communist Party (CCP) in 1924. In early 1926, Deng travelled to Moscow to study Communist doctrines and became a political commissar for the Red Army upon returning to China. In late 1929, Deng led local Red Army uprisings in Guangxi province. In 1931, he was demoted within the party due to his support of Mao, but was promoted again during the Zunyi Conference. Deng played an important role in the Long March (1934–1935), the Second Sino-Japanese War (1937–1945) and the Chinese Civil War (1945–1949). Following the founding of the PRC on 1 October 1949, Deng worked in Tibet as well as in southwest China as the regional party chief to consolidate CCP control until 1952, when he returned to Beijing to serve in the central government. As the party’s Secretary-General under Mao and Vice Premier in the 1950s, Deng presided over the Anti-Rightist Campaign launched by Mao and became instrumental in China’s economic reconstruction following the disastrous Great Leap Forward (1958–1960). However, his right-leaning political stance and economic policies eventually caused him to fall out of favor with Mao, and he was purged twice during the Cultural Revolution (1966–1976).
Following Mao’s death in September 1976, Deng outmaneuvered the late chairman’s chosen successor Hua Guofeng and became the de facto leader of China in December 1978 at the 3rd Plenary Session of the 11th Central Committee. Having inherited a country beset with institutional disorder and disenchantment with Communism resulting from the chaotic political movements of the Mao era, Deng started the “Boluan Fanzheng” program which gradually brought the country back to order. From 1977 to early 1979, he resumed the National College Entrance Examination that had been interrupted by the Cultural Revolution for ten years, initiated the Reform and Opening-up of China, designated special economic zones including Shenzhen, and started a one-month Sino-Vietnamese War. On 1 January 1979, the PRC established diplomatic relations with the United States, and Deng became the first Chinese paramount leader to visit the U.S. In August 1980, Deng embarked on a series of political reforms by setting constitutional term limits for state officials and other systematic revisions, which were incorporated in China’s third Constitution (1982). In the 1980s, Deng supported the one-child policy to cope with China’s overpopulation crisis, helped establish China’s nine-year compulsory education, and launched the 863 Program for science and technology. Deng also proposed the One Country, Two Systems principle for the governance of Hong Kong and Macau, as well as the future unification with Taiwan.
The reforms carried out by Deng and his allies gradually led China away from a planned economy and Maoist ideologies, opened it up to foreign investment and technology, and introduced its vast labor force to the global market, thus turning China into one of the world’s fastest-growing economies. He was eventually characterized as the “architect” of a new brand of thinking combining socialist ideology with free enterprise, dubbed “socialism with Chinese characteristics” (now known as Deng Xiaoping Theory). Despite never holding office as either the PRC’s head of state or head of government, or as the head of CCP, Deng is generally viewed as the “core” of the CCP’s second-generation leadership, a status enshrined within the party’s constitution. Deng was named the Time Person of the Year for 1978 and 1985. However, he was criticized for ordering a military crackdown on the 1989 Tiananmen Square protests, as well as not thoroughly correcting the mistakes of the Cultural Revolution, yet was praised for his reaffirmation of the reform program in his Southern Tour of 1992 as well as the reversion of Hong Kong to Chinese control in 1997 and the return of Macau in 1999.

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Theodor Seuss Geisel ( (listen); March 2, 1904 – September 24, 1991) was an American children’s author, political cartoonist, illustrator, poet, animator, and filmmaker. He is known for his work writing and illustrating more than 60 books under the pen name Dr. Seuss (,). His work includes many of the most popular English speaking children’s books of all time, selling over 600 million copies and being translated into more than 20 languages by the time of his death.Geisel adopted the name “Dr. Seuss” as an undergraduate at Dartmouth College and as a graduate student at Lincoln College, Oxford. He left Oxford in 1927 to begin his career as an illustrator and cartoonist for Vanity Fair, Life, and various other publications. He also worked as an illustrator for advertising campaigns, most notably for FLIT and Standard Oil, and as a political cartoonist for the New York newspaper PM. He published his first children’s book And to Think That I Saw It on Mulberry Street in 1937. During World War II, he took a brief hiatus from children’s literature to illustrate political cartoons, and he also worked in the animation and film department of the United States Army where he wrote, produced or animated many productions including Design for Death, which later won the 1947 Academy Award for Best Documentary Feature.After the war, Geisel returned to writing children’s books, writing classics like If I Ran the Zoo (1950), Horton Hears a Who! (1955), The Cat in the Hat (1957), How the Grinch Stole Christmas! (1957), Green Eggs and Ham (1960), One Fish Two Fish Red Fish Blue Fish (1960), The Sneetches (1961), The Lorax (1971), The Butter Battle Book (1981), and Oh, the Places You’ll Go (1990). He published over 60 books during his career, which have spawned numerous adaptations, including 11 television specials, five feature films, a Broadway musical, and four television series.
Geisel won the Lewis Carroll Shelf Award in 1958 for Horton Hatches the Egg and again in 1961 for And to Think That I Saw It on Mulberry Street. Geisel’s birthday, March 2, has been adopted as the annual date for National Read Across America Day, an initiative on reading created by the National Education Association. He also received two Primetime Emmy Awards for Outstanding Children’s Special for Halloween is Grinch Night (1978) and Outstanding Animated Program for The Grinch Grinches the Cat in the Hat (1982).

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Duke Paoa Kahinu Mokoe Hulikohola Kahanamoku (August 24, 1890 – January 22, 1968) was a competition swimmer who popularized the ancient Hawaiian sport of surfing. A Native Hawaiian, he was born to a minor noble family less than three years before the overthrow of the Hawaiian Kingdom. He lived to see the territory’s admission as a state, and became a United States citizen. He was a five-time Olympic medalist in swimming, winning medals in 1912, 1920 and 1924.Kahanamoku joined fraternal organizations: he was a Scottish Rite Freemason in the Honolulu lodge, and a Shriner. He worked as a law enforcement officer, an actor, a beach volleyball player, and a businessman.

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Arthur Wellesley, 1st Duke of Wellington, (1 May 1769 – 14 September 1852) was an Anglo-Irish soldier and Tory statesman who was one of the leading military and political figures of 19th-century Britain, serving twice as prime minister. He is one of the commanders who won and ended the Napoleonic Wars when the coalition defeated Napoleon at the Battle of Waterloo in 1815.
Wellesley was born in Dublin into the Protestant Ascendancy in Ireland. He was commissioned as an ensign in the British Army in 1787, serving in Ireland as aide-de-camp to two successive lords lieutenant of Ireland. He was also elected as a member of Parliament in the Irish House of Commons. He was a colonel by 1796 and saw action in the Netherlands and in India, where he fought in the Fourth Anglo-Mysore War at the Battle of Seringapatam. He was appointed governor of Seringapatam and Mysore in 1799 and, as a newly appointed major-general, won a decisive victory over the Maratha Confederacy at the Battle of Assaye in 1803.
Wellesley rose to prominence as a general during the Peninsular campaign of the Napoleonic Wars, and was promoted to the rank of field marshal after leading the allied forces to victory against the French Empire at the Battle of Vitoria in 1813. Following Napoleon’s exile in 1814, he served as the ambassador to France and was granted a dukedom. During the Hundred Days in 1815, he commanded the allied army which, together with a Prussian Army under Blücher, defeated Napoleon at Waterloo. Wellington’s battle record is exemplary; he ultimately participated in some 60 battles during the course of his military career.
Wellington is famous for his adaptive defensive style of warfare, resulting in several victories against numerically superior forces while minimising his own losses. He is regarded as one of the greatest defensive commanders of all time, and many of his tactics and battle plans are still studied in military academies around the world. After the end of his active military career, he returned to politics. He was twice British prime minister as a member of the Tory party from 1828 to 1830 and for a little less than a month in 1834. He oversaw the passage of the Roman Catholic Relief Act 1829, but opposed the Reform Act 1832. He continued as one of the leading figures in the House of Lords until his retirement and remained Commander-in-Chief of the British Army until his death.

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Dwight David “Ike” Eisenhower (; October 14, 1890 – March 28, 1969) was an American military officer and statesman who served as the 34th president of the United States from 1953 to 1961. During World War II, he served as Supreme Commander of the Allied Expeditionary Force in Europe, and achieved the rare five-star rank of General of the Army. He was responsible for planning and supervising the invasion of North Africa in Operation Torch in 1942–1943 and the successful invasion of Normandy in 1944–1945 from the Western Front.
Eisenhower, born David Dwight Eisenhower, was raised in Abilene, Kansas, in a large family of mostly Pennsylvania Dutch ancestry. His family had a strong religious background. His mother became a Jehovah’s Witness. Eisenhower, however, did not belong to any organized church until 1952. He graduated from West Point in 1915 and later married Mamie Doud, with whom he had two sons. During World War I, he was denied a request to serve in Europe and instead commanded a unit that trained tank crews. Following the war, he served under various generals and was promoted to the rank of brigadier general in 1941. After the United States entered World War II, Eisenhower oversaw the invasions of North Africa and Sicily before supervising the invasions of France and Germany. After the war, he served as Army Chief of Staff (1945–1948), as president of Columbia University (1948–1953) and as the first Supreme Commander of NATO (1951–1952).
In 1952, Eisenhower entered the presidential race as a Republican to block the isolationist foreign policies of Senator Robert A. Taft; Taft opposed NATO and wanted no foreign entanglements. Eisenhower won that election and the 1956 election in landslides, both times defeating Adlai Stevenson II. Eisenhower’s main goals in office were to contain the spread of communism and reduce federal deficits. In 1953, he considered using nuclear weapons to end the Korean War, and may have threatened China with nuclear attack if an armistice was not reached quickly. China did agree and an armistice resulted which remains in effect. His New Look policy of nuclear deterrence prioritized inexpensive nuclear weapons while reducing funding for expensive Army divisions. He continued Harry S. Truman’s policy of recognizing Taiwan as the legitimate government of China, and he won congressional approval of the Formosa Resolution. His administration provided major aid to help the French fight off Vietnamese Communists in the First Indochina War. After the French left, he gave strong financial support to the new state of South Vietnam. He supported regime-changing military coups in Iran and Guatemala orchestrated by his own administration. During the Suez Crisis of 1956, he condemned the Israeli, British, and French invasion of Egypt, and he forced them to withdraw. He also condemned the Soviet invasion during the Hungarian Revolution of 1956 but took no action. After the Soviet Union launched Sputnik in 1957, Eisenhower authorized the establishment of NASA, which led to the Space Race. He deployed 15,000 soldiers during the 1958 Lebanon crisis. Near the end of his term, he failed to set up a summit meeting with the Soviets when a U.S. spy plane was shot down over the Soviet Union. He approved the Bay of Pigs invasion, which was left to John F. Kennedy to carry out.
On the domestic front, Eisenhower was a moderate conservative who continued New Deal agencies and expanded Social Security. He covertly opposed Joseph McCarthy and contributed to the end of McCarthyism by openly invoking executive privilege. He signed the Civil Rights Act of 1957 and sent Army troops to enforce federal court orders which integrated schools in Little Rock, Arkansas. His largest program was the Interstate Highway System. He promoted the establishment of strong science education via the National Defense Education Act. His two terms saw unprecedented economic prosperity except for a minor recession in 1958. In his farewell address to the nation, he expressed his concerns about the dangers of massive military spending, particularly deficit spending and government contracts to private military manufacturers, which he dubbed “the military–industrial complex”. Historical evaluations of his presidency place him among the upper tier of American presidents.

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Edmond (or Edmund) Halley, FRS (; 8 November [O.S. 29 October] 1656 – 25 January 1742 [O.S. 14 January 1742]) was an English astronomer, geophysicist, mathematician, meteorologist, and physicist. He was the second Astronomer Royal in Britain, succeeding John Flamsteed in 1720.
From an observatory he constructed on Saint Helena in 1676–77, Halley catalogued the southern celestial hemisphere and recorded a transit of Mercury across the Sun. He realised that a similar transit of Venus could be used to determine the distances between Earth, Venus, and the Sun. Upon his return to England, he was made a Fellow of the Royal Society, and with the help of King Charles II, was granted a master’s degree from Oxford.
Halley encouraged and helped fund the publication of Isaac Newton’s influential Philosophiæ Naturalis Principia Mathematica (1687). From observations Halley made in September 1682, he used Newton’s laws of motion to compute the periodicity of Halley’s Comet in his 1705 Synopsis of the Astronomy of Comets. It was named after him upon its predicted return in 1758, which he did not live to see.
Beginning in 1698, Halley made sailing expeditions and made observations on the conditions of terrestrial magnetism. In 1718, he discovered the proper motion of the “fixed” stars.

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Elena Delle Donne (born September 5, 1989) is an American professional basketball player for the Washington Mystics of the Women’s National Basketball Association (WNBA). Delle Donne played college basketball for the Delaware Blue Hens from 2009 to 2013. She was drafted by the Chicago Sky with the second overall pick of the 2013 WNBA draft, and led the Sky to the 2014 WNBA Finals, where they were defeated by the Phoenix Mercury. Delle Donne was traded to the Washington Mystics in 2017 and led them to their first WNBA championship in 2019.
Delle Donne has won two WNBA Most Valuable Player Awards (2015, 2019), been selected to six All-Star teams, and was the first WNBA player to join the 50-40-90 club.

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Eli Whitney Jr. (December 8, 1765 – January 8, 1825) was an American inventor, widely known for inventing the cotton gin, one of the key inventions of the Industrial Revolution that shaped the economy of the Antebellum South.Whitney’s invention made upland short cotton into a profitable crop, which strengthened the economic foundation of slavery in the United States. Despite the social and economic impact of his invention, Whitney lost many profits in legal battles over patent infringement for the cotton gin. Thereafter, he turned his attention into securing contracts with the government in the manufacture of muskets for the newly formed United States Army. He continued making arms and inventing until his death in 1825.

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Ilya Ilyich Mechnikov (Russian: Илья Ильич Мечников, also written as Elie Metchnikoff; 15 May [O.S. 3 May] 1845 – 15 July 1916) was a Russian Imperial zoologist of Romanian nobility ancestry and Ukrainian Jewish origin best known for his pioneering research in immunology. He and Paul Ehrlich were jointly awarded the 1908 Nobel Prize in Physiology or Medicine “in recognition of their work on immunity”. He was born, lived and worked for many years on the territory of Ukraine. Given this complex heritage, four different nations and peoples justifiably lay claim to Mechnikov.Honoured as the “father of innate immunity,” Mechnikov was the first to discover a process of immunity called phagocytosis and the cell responsible for it, called phagocyte, specifically macrophage, in 1882. This discovery turned out to be the major defence mechanism in innate immunity, as well as the foundation of the concept of cell-mediated immunity, while Ehrlich established the concept of humoral immunity to complete the principles of immune system. Their works are regarded as the foundation of the science of immunology.Mechnikov developed one of the earliest concepts in ageing, and advocated the use of lactic acid bacteria (Lactobacillus) for healthy and long life. This became the concept of probiotics in medicine. Mechnikov is also credited with coining the term gerontology in 1903, for the emerging study of aging and longevity. In this regard, Ilya Mechnikov is called the “father of gerontology” (although, as often happens in science, the situation is ambiguous, and the same title is sometimes applied to some other people who contributed to aging research later).
Supporters of life extension celebrate 15 May as Metchnikoff Day, and used it as a memorable date for organizing activities.

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Elizabeth Blackwell (February 3, 1821 – May 31, 1910) was a British physician, notable as the first woman to receive a medical degree in the United States, and the first woman on the Medical Register of the General Medical Council. Blackwell played an important role in both the United States and the United Kingdom as a social awareness and moral reformer, and pioneered in promoting education for women in medicine. Her contributions remain celebrated with the Elizabeth Blackwell Medal, awarded annually to a woman who has made significant contribution to the promotion of women in medicine.Blackwell was initially uninterested in a career in medicine, especially after her schoolteacher brought in a bull’s eye to use as a teaching tool. Therefore, she became a schoolteacher in order to support her family. This occupation was seen as suitable for women during the 1800s; however, she soon found it unsuitable for her. Blackwell’s interest in medicine was sparked after a friend fell ill and remarked that, had a female doctor cared for her, she might not have suffered so much. Blackwell began applying to medical schools and immediately began to endure the prejudice against her sex that would persist throughout her career. She was rejected from each medical school she applied to, except Geneva Medical College, currently known as State University of New York Upstate Medical University, in which the male students voted for Blackwell’s acceptance. Thus, in 1847, Blackwell became the first woman to attend medical school in the United States.Blackwell’s inaugural thesis on typhoid fever, published in 1849 in the Buffalo Medical Journal, shortly after she graduated, was the first medical article published by a female student from the United States. It portrayed a strong sense of empathy and sensitivity to human suffering, as well as strong advocacy for economic and social justice. This perspective was deemed by the medical community as feminine.Blackwell also founded the New York Infirmary for Women and Children with her sister Emily Blackwell in 1857, and began giving lectures to female audiences on the importance of educating girls. She also played a significant role during the American Civil War by organizing nurses.

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Ellen Lee DeGeneres ( də-JEN-ər-əs; born January 26, 1958) is an American comedian, television host, actress, writer, and producer. She starred in the sitcom Ellen from 1994 to 1998 and has hosted her syndicated television talk show, The Ellen DeGeneres Show, since 2003.
Her stand-up career started in the early 1980s and included a 1986 appearance on The Tonight Show Starring Johnny Carson. As a film actress, DeGeneres starred in Mr. Wrong (1996), EDtv (1999), and The Love Letter (1999), and provided the voice of Dory in the Pixar animated films Finding Nemo (2003) and Finding Dory (2016); for Nemo, she was awarded the Saturn Award for Best Supporting Actress, the first time an actress won a Saturn Award for a voice performance. In 2010, she served as a judge on the ninth season of American Idol.
She starred in two television sitcoms, Ellen from 1994 to 1998 and The Ellen Show from 2001 to 2002. During the fourth season of Ellen in 1997, she came out as a lesbian in an appearance on The Oprah Winfrey Show. Her character, Ellen Morgan, also came out to a therapist played by Winfrey, and the series went on to explore various LGBT issues, including the coming-out process. In 2008, she married her longtime girlfriend Portia de Rossi.
DeGeneres has hosted the Academy Awards, Grammy Awards, and the Primetime Emmys. She has authored four books and started her own record company, Eleveneleven, as well as a production company, A Very Good Production. She also launched a lifestyle brand, ED Ellen DeGeneres, which comprises a collection of apparel, accessories, home, baby, and pet items. She has won 30 Emmys, 20 People’s Choice Awards (more than any other person), and numerous other awards for her work and charitable efforts. In 2016, she received the Presidential Medal of Freedom. In January 2020, DeGeneres received the Carol Burnett Award at the Golden Globes for her work on television, becoming the first recipient after its inaugural namesake Carol Burnett.

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Ellen Johnson Sirleaf (born Ellen Eugenia Johnson, 29 October 1938) is a Liberian politician who served as the 24th President of Liberia from 2006 to 2018. Sirleaf was the first elected female head of state in Africa.
Sirleaf was born in Monrovia to a Gola father and Kru-German mother. She was educated at the College of West Africa. She completed her education in the United States, where she studied at Madison Business College and Harvard University. She returned to Liberia to work in William Tolbert’s government as Deputy Minister of Finance from 1971 to 1974. Later she worked again in the West, for the World Bank in the Caribbean and Latin America. In 1979, she received a cabinet appointment as Minister of Finance, serving to 1980.
After Samuel Doe seized power that year in a coup d’état and executed Tolbert, Sirleaf fled to the United States. She worked for Citibank and then the Equator Bank. She returned to Liberia to contest a senatorial seat for Montserrado County in 1985, an election that was disputed. She was arrested as a result of her open criticism of the military government in 1985 and was sentenced to ten years imprisonment, although was later released.Sirleaf continued to be involved in politics. She finished in second place at the 1997 presidential election, which was won by Charles Taylor.
She won the 2005 presidential election and took office on 16 January 2006. She was re-elected in 2011. She was the first woman in Africa elected as president of her country. She won the Nobel Peace Prize in 2011, in recognition of her efforts to bring women into the peacekeeping process. She has received numerous other awards for her leadership.
In June 2016, Sirleaf was elected as the Chair of the Economic Community of West African States, making her the first woman to hold the position since it was created.

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Ellen Henrietta Swallow Richards (December 3, 1842 – March 30, 1911) was an industrial and safety engineer, environmental chemist, and university faculty member in the United States during the 19th century. Her pioneering work in sanitary engineering, and experimental research in domestic science, laid a foundation for the new science of home economics. She was the founder of the home economics movement characterized by the application of science to the home, and the first to apply chemistry to the study of nutrition.Richards graduated from Westford Academy (second oldest secondary school in Massachusetts) in 1862. She was the first woman admitted to the Massachusetts Institute of Technology. She graduated in 1873 and later became its first female instructor. Mrs. Richards was the first woman in America accepted to any school of science and technology, and the first American woman to obtain a degree in chemistry, which she earned from Vassar College in 1870.Richards was a pragmatic feminist, as well as a founding ecofeminist, who believed that women’s work within the home was a vital aspect of the economy. At the same time, however, she did not directly challenge the prevailing cult of domesticity that valorized women’s place and work in the home.

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Elon Reeve Musk ( EE-lon; born June 28, 1971) is an entrepreneur and business magnate. He is the founder, CEO, and Chief Engineer at SpaceX; early stage investor, CEO, and Product Architect of Tesla, Inc.; founder of The Boring Company; and co-founder of Neuralink and OpenAI. A centibillionaire, Musk is the richest person in the world as of September 2021.Musk was born to a Canadian mother and South African father and raised in Pretoria, South Africa. He briefly attended the University of Pretoria before moving to Canada aged 17 to attend Queen’s University. He transferred to the University of Pennsylvania two years later, where he received bachelor’s degrees in economics and physics. He moved to California in 1995 to attend Stanford University but decided instead to pursue a business career, co-founding the web software company Zip2 with brother Kimbal. The startup was acquired by Compaq for $307 million in 1999. The same year, Musk co-founded online bank X.com, which merged with Confinity in 2000 to form PayPal. The company was bought by eBay in 2002 for $1.5 billion.
In 2002, Musk founded SpaceX, an aerospace manufacturer and space transport services company, of which he is CEO and CTO. In 2004, he joined electric vehicle manufacturer Tesla Motors, Inc. (now Tesla, Inc.) as chairman and product architect, becoming its CEO in 2008. In 2006, he helped create SolarCity, a solar energy services company that was later acquired by Tesla and became Tesla Energy. In 2015, he co-founded OpenAI, a nonprofit research company that promotes friendly artificial intelligence. In 2016, he co-founded Neuralink, a neurotechnology company focused on developing brain–computer interfaces, and founded The Boring Company, a tunnel construction company. Musk has proposed the Hyperloop, a high-speed vactrain transportation system.
Musk has been the subject of criticism due to unorthodox or unscientific stances and highly publicized controversies. In 2018, he was sued for defamation by a British caver who advised in the Tham Luang cave rescue; a California jury ruled in favor of Musk. In the same year, he was sued by the US Securities and Exchange Commission (SEC) for falsely tweeting that he had secured funding for a private takeover of Tesla. He settled with the SEC, temporarily stepping down from his chairmanship and accepting limitations on his Twitter usage. Musk has spread misinformation about the COVID-19 pandemic and has received criticism from experts for his other views on such matters as artificial intelligence, cryptocurrency, and public transport.

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Emily Warren Roebling (September 23, 1843 – February 28, 1903) was an engineer known for her contributions over a period of more than 10 years to the completion of the Brooklyn Bridge after her husband Washington Roebling developed caisson disease (a.k.a. decompression disease) and became bedridden. She served as a liaison and supervisor of construction through communicating between her husband and on-site personnel. Her husband was the chief engineer during construction of the Brooklyn Bridge, which had been designed by his late father, John A. Roebling.

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Amalie Emmy Noether (US: /ˈnʌtər/, UK: /ˈnɜːtə/ NUR-tər; German: 23 March 1882 – 14 April 1935) was a German mathematician who made many important contributions to abstract algebra. She discovered Noether’s theorem, which is fundamental in mathematical physics. She was described by Pavel Alexandrov, Albert Einstein, Jean Dieudonné, Hermann Weyl and Norbert Wiener as the most important woman in the history of mathematics. As one of the leading mathematicians of her time, she developed some theories of rings, fields, and algebras. In physics, Noether’s theorem explains the connection between symmetry and conservation laws.

Noether was born to a Jewish family in the Franconian town of Erlangen; her father was the mathematician Max Noether. She originally planned to teach French and English after passing the required examinations, but instead studied mathematics at the University of Erlangen, where her father lectured. After completing her doctorate in 1907[5] under the supervision of Paul Gordan, she worked at the Mathematical Institute of Erlangen without pay for seven years. At the time, women were largely excluded from academic positions. In 1915, she was invited by David Hilbert and Felix Klein to join the mathematics department at the University of Göttingen, a world-renowned center of mathematical research. The philosophical faculty objected, however, and she spent four years lecturing under Hilbert’s name. Her habilitation was approved in 1919, allowing her to obtain the rank of Privatdozent.

Noether remained a leading member of the Göttingen mathematics department until 1933; her students were sometimes called the “Noether boys”. In 1924, Dutch mathematician B. L. van der Waerden joined her circle and soon became the leading expositor of Noether’s ideas; her work was the foundation for the second volume of his influential 1931 textbook, Moderne Algebra. By the time of her plenary address at the 1932 International Congress of Mathematicians in Zürich, her algebraic acumen was recognized around the world. The following year, Germany’s Nazi government dismissed Jews from university positions, and Noether moved to the United States to take up a position at Bryn Mawr College in Pennsylvania where she taught, among others, doctoral and post-graduate women including Marie Johanna Weiss, Ruth Stauffer, Grace Shover Quinn and Olga Taussky-Toddone. At the same time, she lectured and performed research at the Institute for Advanced Study in Princeton, New Jersey.

Noether’s mathematical work has been divided into three “epochs”.[6] In the first (1908–1919), she made contributions to the theories of algebraic invariants and number fields. Her work on differential invariants in the calculus of variations, Noether’s theorem, has been called “one of the most important mathematical theorems ever proved in guiding the development of modern physics”. In the second epoch (1920–1926), she began work that “changed the face of [abstract] algebra”. In her classic 1921 paper Idealtheorie in Ringbereichen (Theory of Ideals in Ring Domains), Noether developed the theory of ideals in commutative rings into a tool with wide-ranging applications. She made elegant use of the ascending chain condition, and objects satisfying it are named Noetherian in her honor. In the third epoch (1927–1935), she published works on noncommutative algebras and hypercomplex numbers and united the representation theory of groups with the theory of modules and ideals. In addition to her own publications, Noether was generous with her ideas and is credited with several lines of research published by other mathematicians, even in fields far removed from her main work, such as algebraic topology.

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Eratosthenes of Cyrene (; Greek: Ἐρατοσθένης [eratostʰénɛːs]; c. 276 BC – c. 195/194 BC) was a Greek polymath: a mathematician, geographer, poet, astronomer, and music theorist. He was a man of learning, becoming the chief librarian at the Library of Alexandria. His work is comparable to what is now known as the study of geography, and he introduced some of the terminology still used today.He is best known for being the first person known to calculate the circumference of the Earth, which he did by using the extensive survey results he could access in his role at the Library; his calculation was remarkably accurate. He was also the first to calculate Earth’s axial tilt, which also proved to have remarkable accuracy. He created the first global projection of the world, incorporating parallels and meridians based on the available geographic knowledge of his era.
Eratosthenes was the founder of scientific chronology; he endeavoured to revise the dates of the main events of the semi-mythological Trojan War, dating the Sack of Troy to 1183 BC. In number theory, he introduced the sieve of Eratosthenes, an efficient method of identifying prime numbers.
He was a figure of influence in many fields. According to an entry in the Suda (a 10th-century encyclopedia), his critics scorned him, calling him Beta (the second letter of the Greek alphabet) because he always came in second in all his endeavours. Nonetheless, his devotees nicknamed him Pentathlos after the Olympians who were well rounded competitors, for he had proven himself to be knowledgeable in every area of learning. Eratosthenes yearned to understand the complexities of the entire world.

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Ernest Miller Hemingway (July 21, 1899 – July 2, 1961) was an American novelist, short-story writer, journalist, and sportsman. His economical and understated style—which he termed the iceberg theory—had a strong influence on 20th-century fiction, while his adventurous lifestyle and his public image brought him admiration from later generations. Hemingway produced most of his work between the mid-1920s and the mid-1950s, and he was awarded the 1954 Nobel Prize in Literature. He published seven novels, six short-story collections, and two nonfiction works. Three of his novels, four short-story collections, and three nonfiction works were published posthumously. Many of his works are considered classics of American literature.
Hemingway was raised in Oak Park, Illinois. After high school, he was a reporter for a few months for The Kansas City Star before leaving for the Italian Front to enlist as an ambulance driver in World War I. In 1918, he was seriously wounded and returned home. His wartime experiences formed the basis for his novel A Farewell to Arms (1929).
In 1921, he married Hadley Richardson, the first of four wives. They moved to Paris where he worked as a foreign correspondent and fell under the influence of the modernist writers and artists of the 1920s’ “Lost Generation” expatriate community. Hemingway’s debut novel The Sun Also Rises was published in 1926. He divorced Richardson in 1927, and married Pauline Pfeiffer. They divorced after he returned from the Spanish Civil War (1936–1939), which he covered as a journalist and which was the basis for his novel For Whom the Bell Tolls (1940). Martha Gellhorn became his third wife in 1940. He and Gellhorn separated after he met Mary Welsh in London during World War II. Hemingway was present with Allied troops as a journalist at the Normandy landings and the liberation of Paris.
He maintained permanent residences in Key West, Florida (in the 1930s) and in Cuba (in the 1940s and 1950s). He almost died in 1954 after plane crashes on successive days, with injuries leaving him in pain and ill health for much of the rest of his life. In 1959, he bought a house in Ketchum, Idaho, where, in mid-1961, he committed suicide.

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Euclid (; Ancient Greek: Εὐκλείδης – Eukleídēs, pronounced [eu̯.kleː.dɛːs]; fl. 300 BC), sometimes called Euclid of Alexandria to distinguish him from Euclid of Megara, was a Greek mathematician, often referred to as the “founder of geometry” or the “father of geometry”. He was active in Alexandria during the reign of Ptolemy I (323–283 BC). His Elements is one of the most influential works in the history of mathematics, serving as the main textbook for teaching mathematics (especially geometry) from the time of its publication until the late 19th or early 20th century. In the Elements, Euclid deduced the theorems of what is now called Euclidean geometry from a small set of axioms. Euclid also wrote works on perspective, conic sections, spherical geometry, number theory, and mathematical rigour.

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Evangelista Torricelli ( TORR-ee-CHEL-ee, also US: TOR-, Italian: [evandʒeˈlista torriˈtʃɛlli] (listen); 15 October 1608 – 25 October 1647) was an Italian physicist and mathematician, and a student of Galileo. He is best known for his invention of the barometer, but is also known for his advances in optics and work on the method of indivisibles.

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Francis Bacon, 1st Viscount St Alban, (; 22 January 1561 – 9 April 1626), also known as Lord Verulam, was an English philosopher and statesman who served as Attorney General and as Lord Chancellor of England. His works are seen as developing the scientific method and remained influential through the scientific revolution.Bacon has been called the father of empiricism. He argued for the possibility of scientific knowledge based only upon inductive reasoning and careful observation of events in nature. Most importantly, he argued science could be achieved by the use of a sceptical and methodical approach whereby scientists aim to avoid misleading themselves. Although his most specific proposals about such a method, the Baconian method, did not have long-lasting influence, the general idea of the importance and possibility of a sceptical methodology makes Bacon the father of the scientific method. This method was a new rhetorical and theoretical framework for science, whose practical details are still central to debates on science and methodology.
Francis Bacon was a patron of libraries and developed a system for cataloguing books under three categories – history, poetry, and philosophy – which could further be divided into specific subjects and subheadings. Bacon was educated at Trinity College, Cambridge, where he rigorously followed the medieval curriculum, largely in Latin.
Bacon was the first recipient of the Queen’s counsel designation, conferred in 1597 when Elizabeth I of England reserved him as her legal advisor. After the accession of James VI and I in 1603, Bacon was knighted, then created Baron Verulam in 1618 and Viscount St Alban in 1621.He had no heirs and so both titles became extinct on his death in 1626 at the age of 65. He died of pneumonia, with one account by John Aubrey stating that he had contracted it while studying the effects of freezing on meat preservation. He is buried at St Michael’s Church, St Albans, Hertfordshire.

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Frederick Winslow Taylor (March 20, 1856 – March 21, 1915) was an American mechanical engineer. He was widely known for his methods to improve industrial efficiency. He was one of the first management consultants. In 1911, Taylor summed up his efficiency techniques in his book The Principles of Scientific Management which, in 2001, Fellows of the Academy of Management voted the most influential management book of the twentieth century. His pioneering work in applying engineering principles to the work done on the factory floor was instrumental in the creation and development of the branch of engineering that is now known as industrial engineering. Taylor made his name, and was most proud of his work, in scientific management; however, he made his fortune patenting steel-process improvements. Taylor was also an athlete who competed nationally in tennis.

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George Ivanovich Gurdjieff (; 1866-1877 – 29 October 1949) was a Russian philosopher, mystic, spiritual teacher, and composer of Armenian and Greek descent, born in Alexandropol, Russian Empire (now Gyumri, Armenia). Gurdjieff taught that most humans do not possess a unified consciousness and thus live their lives in a state of hypnotic “waking sleep”, but that it is possible to awaken to a higher state of consciousness and achieve full human potential. Gurdjieff described a method attempting to do so, calling the discipline “The Work” (connoting “work on oneself”) or “the System”. According to his principles and instructions, Gurdjieff’s method for awakening one’s consciousness unites the methods of the fakir, monk and yogi, and thus he referred to it as the “Fourth Way”.

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Aelius Galenus or Claudius Galenus (Greek: Κλαύδιος Γαληνός; September 129 – c. 216 CE), often Anglicized as Galen () or Galen of Pergamon, was a Greek physician, surgeon and philosopher in the Roman Empire. Considered to be one of the most accomplished of all medical researchers of antiquity, Galen influenced the development of various scientific disciplines, including anatomy, physiology, pathology, pharmacology, and neurology, as well as philosophy and logic.
The son of Aelius Nicon, a wealthy Greek architect with scholarly interests, Galen received a comprehensive education that prepared him for a successful career as a physician and philosopher. Born in the ancient city of Pergamon (present-day Bergama, Turkey), Galen traveled extensively, exposing himself to a wide variety of medical theories and discoveries before settling in Rome, where he served prominent members of Roman society and eventually was given the position of personal physician to several emperors.
Galen’s understanding of anatomy and medicine was principally influenced by the then-current theory of the four humors: black bile, yellow bile, blood, and phlegm, as first advanced by the author of On the Nature of Man in the Hippocratic corpus. Galen’s views dominated and influenced Western medical science for more than 1,300 years. His anatomical reports were based mainly on the dissection of Barbary apes. However, when he discovered that their facial expressions were too much like those of humans, he switched to other animals, such as pigs. The reason for using animals to discover the human body was due to the fact that dissections and vivisections on humans were strictly prohibited at the time. Galen would encourage his students to go look at dead gladiators or bodies that washed up in order to get better acquainted with the human body. His anatomical reports remained uncontested until 1543, when printed descriptions and illustrations of human dissections were published in the seminal work De humani corporis fabrica by Andreas Vesalius where Galen’s physiological theory was accommodated to these new observations. Galen’s theory of the physiology of the circulatory system remained unchallenged until ca. 1242, when Ibn al-Nafis published his book Sharh tashrih al-qanun li’ Ibn Sina (Commentary on Anatomy in Avicenna’s Canon), in which he reported his discovery of pulmonary circulation.Galen saw himself as both a physician and a philosopher, as he wrote in his treatise titled That the Best Physician Is Also a Philosopher. Galen was very interested in the debate between the rationalist and empiricist medical sects, and his use of direct observation, dissection, and vivisection represents a complex middle ground between the extremes of those two viewpoints. Many of his works have been preserved and/or translated from the original Greek, although many were destroyed and some credited to him are believed to be spurious. Although there is some debate over the date of his death, he was no younger than seventy when he died.

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Georg von Békésy (Hungarian: Békésy György, Hungarian pronunciation: [ˈbeːkeːʃi]; 3 June 1899 – 13 June 1972) was a Hungarian biophysicist.By using strobe photography and silver flakes as a marker, he was able to observe that the basilar membrane moves like a surface wave when stimulated by sound. Because of the structure of the cochlea and the basilar membrane, different frequencies of sound cause the maximum amplitudes of the waves to occur at different places on the basilar membrane along the coil of the cochlea. High frequencies cause more vibration at the base of the cochlea while low frequencies create more vibration at the apex.He concluded that his observations showed how different sound wave frequencies are locally dispersed before exciting different nerve fibers that lead from the cochlea to the brain.
In 1961, he was awarded the Nobel Prize in Physiology or Medicine for his research on the function of the cochlea in the mammalian hearing organ.

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George Eastman (July 12, 1854 – March 14, 1932) was an American entrepreneur who founded the Eastman Kodak Company and helped to bring the photographic use of roll film into the mainstream. Roll film was also the basis for the invention of motion picture film stock in 1888 by filmmakers Eadweard Muybridge and Louis Le Prince, and a few years later by their followers Léon Bouly, William Kennedy Dickson, Thomas Edison, the Lumière Brothers, and Georges Méliès.
He was a major philanthropist, establishing the Eastman School of Music, and schools of dentistry and medicine at the University of Rochester and in London Eastman Dental Hospital; contributing to the Rochester Institute of Technology (RIT) and the construction of several buildings at the second campus of Massachusetts Institute of Technology (MIT) on the Charles River. In addition, he made major donations to Tuskegee University and Hampton University, historically black universities in the South. With interests in improving health, he provided funds for clinics in London and other European cities to serve low-income residents.
In his final two years, Eastman was in intense pain caused by a disorder affecting his spine. On March 14, 1932, Eastman shot himself in the heart, leaving a note which read, “To my friends: my work is done. Why wait?”The George Eastman Museum has been designated a National Historic Landmark. Eastman is the only person represented by two stars (both in film stars) in the Hollywood Walk of Fame, one in North side of the 6800 block of Hollywood Boulevard and the other one in West side of the 1700 block of Vine Street, recognizing the same achievement, that he developed, bromide paper, which became a standard of the film industry.

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Eric Arthur Blair (25 June 1903 – 21 January 1950), known by his pen name George Orwell, was an English novelist, essayist, journalist and critic. His work is characterised by lucid prose, biting social criticism, opposition to totalitarianism, and outspoken support of democratic socialism.As a writer, Orwell produced literary criticism and poetry, fiction and polemical journalism. He is known for the allegorical novella Animal Farm (1945) and the dystopian novel Nineteen Eighty-Four (1949). His non-fiction works, including The Road to Wigan Pier (1937), documenting his experience of working-class life in the north of England, and Homage to Catalonia (1938), an account of his experiences soldiering for the Republican faction of the Spanish Civil War (1936–1939), are as critically respected as his essays on politics and literature, language and culture. In 2008, The Times ranked George Orwell second among “The 50 greatest British writers since 1945”.Orwell’s work remains influential in popular culture and in political culture, and the adjective “Orwellian”—describing totalitarian and authoritarian social practices—is part of the English language, like many of his neologisms, such as “Big Brother”, “Thought Police”, “Two Minutes Hate”, “Room 101”, “memory hole”, “Newspeak”, “doublethink”, “unperson”, and “thoughtcrime”, as well as providing direct inspiration for the neologism “groupthink”.

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George Stephenson (9 June 1781 – 12 August 1848) was a British civil engineer and mechanical engineer. Renowned as the “Father of Railways”, Stephenson was considered by the Victorians a great example of diligent application and thirst for improvement. Self-help advocate Samuel Smiles particularly praised his achievements. His chosen rail gauge, sometimes called ‘Stephenson gauge’, was the basis for the 4 feet 8+1⁄2 inches (1.435 m) standard gauge used by most of the world’s railways.
Pioneered by Stephenson, rail transport was one of the most important technological inventions of the 19th century and a key component of the Industrial Revolution. Built by George and his son Robert’s company Robert Stephenson and Company, the Locomotion No. 1 was the first steam locomotive to carry passengers on a public rail line, the Stockton and Darlington Railway in 1825. George also built the first public inter-city railway line in the world to use locomotives, the Liverpool and Manchester Railway, which opened in 1830.

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Jean Léopold Nicolas Frédéric, Baron Cuvier (French: [kyvje]; 23 August 1769 – 13 May 1832), known as Georges Cuvier, was a French naturalist and zoologist, sometimes referred to as the “founding father of paleontology”. Cuvier was a major figure in natural sciences research in the early 19th century and was instrumental in establishing the fields of comparative anatomy and paleontology through his work in comparing living animals with fossils.
Cuvier’s work is considered the foundation of vertebrate paleontology, and he expanded Linnaean taxonomy by grouping classes into phyla and incorporating both fossils and living species into the classification. Cuvier is also known for establishing extinction as a fact—at the time, extinction was considered by many of Cuvier’s contemporaries to be merely controversial speculation. In his Essay on the Theory of the Earth (1813) Cuvier proposed that now-extinct species had been wiped out by periodic catastrophic flooding events. In this way, Cuvier became the most influential proponent of catastrophism in geology in the early 19th century. His study of the strata of the Paris basin with Alexandre Brongniart established the basic principles of biostratigraphy.Among his other accomplishments, Cuvier established that elephant-like bones found in the USA belonged to an extinct animal he later would name as a mastodon, and that a large skeleton dug up in Paraguay was of Megatherium, a giant, prehistoric ground sloth. He named the pterosaur Pterodactylus, described (but did not discover or name) the aquatic reptile Mosasaurus, and was one of the first people to suggest the earth had been dominated by reptiles, rather than mammals, in prehistoric times.
Cuvier is also remembered for strongly opposing theories of evolution, which at the time (before Darwin’s theory) were mainly proposed by Jean-Baptiste de Lamarck and Geoffroy Saint-Hilaire. Cuvier believed there was no evidence for evolution, but rather evidence for cyclical creations and destructions of life forms by global extinction events such as deluges. In 1830, Cuvier and Geoffroy engaged in a famous debate, which is said to exemplify the two major deviations in biological thinking at the time – whether animal structure was due to function or (evolutionary) morphology. Cuvier supported function and rejected Lamarck’s thinking.
Cuvier also conducted racial studies which provided part of the foundation for scientific racism, and published work on the supposed differences between racial groups’ physical properties and mental abilities. Cuvier subjected Sarah Baartman to examinations alongside other French naturalists during a period in which she was held captive in a state of neglect. Cuvier examined Baartman shortly before her death, and conducted an autopsy following her death that disparagingly compared her physical features to those of monkeys.Cuvier’s most famous work is Le Règne Animal (1817; English: The Animal Kingdom). In 1819, he was created a peer for life in honor of his scientific contributions. Thereafter, he was known as Baron Cuvier. He died in Paris during an epidemic of cholera. Some of Cuvier’s most influential followers were Louis Agassiz on the continent and in the United States, and Richard Owen in Britain. His name is one of the 72 names inscribed on the Eiffel Tower.

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Giuseppe Maria Garibaldi ( GARR-ib-AWL-dee, Italian: [dʒuˈzɛppe ɡariˈbaldi] (listen); 4 July 1807 – 2 June 1882) was an Italian general, patriot, revolutionary, and republican. He contributed to the Italian unification and the creation of the Kingdom of Italy. He is considered one of the greatest generals of modern times and one of Italy’s “fathers of the fatherland”, along with Camillo Benso, Count of Cavour, Victor Emmanuel II of Italy and Giuseppe Mazzini. Garibaldi is also known as the “Hero of the Two Worlds” because of his military enterprises in South America and Europe.Garibaldi was a follower of the Italian nationalist Mazzini and embraced the republican nationalism of the Young Italy movement. He became a supporter of Italian unification under a democratic republican government. However, breaking with Mazzini, he pragmatically allied himself with the monarchist Cavour and Kingdom of Piedmont-Sardinia in the struggle for independence, subordinating his republican ideals to his nationalist ones until Italy was unified. After participating in an uprising in Piedmont, he was sentenced to death, but escaped and sailed to South America, where he spent 14 years in exile, during which he took part in several wars and learnt the art of guerrilla warfare. In 1835 he joined the rebels known as the Ragamuffins (farrapos), in the Ragamuffin War in Brazil, and took up their cause of establishing the Riograndense Republic and later the Catarinense Republic. Garibaldi also became involved in the Uruguayan Civil War, raising an Italian force known as Redshirts and is still celebrated as an important contributor to Uruguay’s reconstitution.
In 1848, Garibaldi returned to Italy and commanded and fought in military campaigns that eventually led to Italian unification. The provisional government of Milan made him a general and the Minister of War promoted him to General of the Roman Republic in 1849. When the war of independence broke out in April 1859, he led his Hunters of the Alps in the capture of major cities in Lombardy, including Varese and Como, and reached the frontier of South Tyrol; the war ended with the acquisition of Lombardy. The following year, he led the Expedition of the Thousand on behalf of and with the consent of Victor Emmanuel II. The expedition was a success and concluded with the annexation of Sicily, Southern Italy, Marche and Umbria to the Kingdom of Sardinia before the creation of a unified Kingdom of Italy on 17 March 1861. His last military campaign took place during the Franco-Prussian War as commander of the Army of the Vosges.
Garibaldi became an international figurehead for national independence and republican ideals, and is considered by the twentieth-century historiography and popular culture as Italy’s greatest national hero. He was showered with admiration and praise by many intellectuals and political figures, including Abraham Lincoln, William Brown, Francesco de Sanctis, Victor Hugo, Alexandre Dumas, George Sand, Charles Dickens, Friedrich Engels and Che Guevara. Historian A. J. P. Taylor called him “the only wholly admirable figure in modern history”. In the popular telling of his story, he is associated with the red shirts that his volunteers, the Garibaldini, wore in lieu of a uniform.

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Grace Brewster Murray Hopper (née Murray December 9, 1906 – January 1, 1992) was an American computer scientist and United States Navy rear admiral. One of the first programmers of the Harvard Mark I computer, she was a pioneer of computer programming who invented one of the first linkers. Hopper was the first to devise the theory of machine-independent programming languages, and the FLOW-MATIC programming language she created using this theory was later extended to create COBOL, an early high-level programming language still in use today.
Prior to joining the Navy, Hopper earned a Ph.D. in mathematics from Yale University and was a professor of mathematics at Vassar College. Hopper attempted to enlist in the Navy during World War II but was rejected because she was 34 years old. She instead joined the Navy Reserves. Hopper began her computing career in 1944 when she worked on the Harvard Mark I team led by Howard H. Aiken. In 1949, she joined the Eckert–Mauchly Computer Corporation and was part of the team that developed the UNIVAC I computer. At Eckert–Mauchly she managed the development of one of the first COBOL compilers. She believed that a programming language based on English was possible. Her compiler converted English terms into machine code understood by computers. By 1952, Hopper had finished her program linker (originally called a compiler), which was written for the A-0 System. During her wartime service, she co-authored three papers based on her work on the Harvard Mark 1.
In 1954, Eckert–Mauchly chose Hopper to lead their department for automatic programming, and she led the release of some of the first compiled languages like FLOW-MATIC. In 1959, she participated in the CODASYL consortium, which consulted Hopper to guide them in creating a machine-independent programming language. This led to the COBOL language, which was inspired by her idea of a language being based on English words. In 1966, she retired from the Naval Reserve, but in 1967 the Navy recalled her to active duty. She retired from the Navy in 1986 and found work as a consultant for the Digital Equipment Corporation, sharing her computing experiences.
The U.S. Navy Arleigh Burke-class guided-missile destroyer USS Hopper was named for her, as was the Cray XE6 “Hopper” supercomputer at NERSC. During her lifetime, Hopper was awarded 40 honorary degrees from universities across the world. A college at Yale University was renamed in her honor. In 1991, she received the National Medal of Technology. On November 22, 2016, she was posthumously awarded the Presidential Medal of Freedom by President Barack Obama.

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Gregory Goodwin Pincus (April 9, 1903 – August 22, 1967) was an American biologist and researcher who co-invented the combined oral contraceptive pill.

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Haile Selassie I (Ge’ez: ቀዳማዊ ኀይለ ሥላሴ, romanized: Qädamawi Häylä Səllasé, Amharic pronunciation: [ˈhaɪlə sɨlˈlase] (listen); born Tafari Makonnen; 23 July 1892 – 27 August 1975) was Emperor of Ethiopia from 1930 to 1974. Prior to his coronation, he had been the Regent Plenipotentiary of Ethiopia from 1916. He is a defining figure in modern Ethiopian history, and the key figure of Rastafari, a religious movement in Jamaica which emerged shortly after he became emperor in the 1930s. He was a member of the Solomonic dynasty who traced his lineage to Emperor Menelik I, supposedly the son of King Solomon and Makeda the Queen of Sheba.
Haile Selassie attempted to modernize the country through a series of political and social reforms, including the introduction of Ethiopia’s first written constitution and the abolition of slavery. He led the failed efforts to defend Ethiopia during the Second Italo-Ethiopian War and spent the period of Italian occupation in exile in England. He returned to lead Ethiopia in 1941 after the British Empire defeated the Italian occupiers in the East African campaign. He dissolved the Federation of Ethiopia and Eritrea, which was established by the UN General Assembly in 1950, and integrated Eritrea as a province of Ethiopia while fighting to prevent their secession.His internationalist views led to Ethiopia becoming a charter member of the United Nations. In 1963, he presided over the formation of the Organisation of African Unity, the precursor of the African Union, and served as its first chairman. He was overthrown in a 1974 military coup by a Marxist–Leninist junta, the Derg. Selassie died on 27 August 1975.Among some members of the Rastafari movement, Haile Selassie is referred to as the returned messiah of the Bible, God incarnate. This distinction notwithstanding, Haile Selassie was a Christian and adhered to the tenets and liturgy of the Ethiopian Orthodox church. The Rastafari movement was founded in Jamaica sometime around 1930 and its followers are estimated at between 700,000 and one million as of 2012.He has been criticized by some historians for his suppression of rebellions among the landed aristocracy (the mesafint), which consistently opposed his reforms; some critics have also criticized Ethiopia’s failure to modernize rapidly enough. During his rule the Harari people were persecuted and many left the Harari Region. His regime was also criticized by human rights groups, such as Human Rights Watch, as autocratic and illiberal. Late during his regime, the Oromo language was banned from education, public speaking and use in administration The Amhara culture dominated throughout the era of monarchic rule. The Haile Selassie government relocated numerous Amharas into southern Ethiopia where they served in government administration, courts, church. Following the death of Hachalu Hundessa in June 2020, the Statue of Haile Selassie in Cannizaro Park, London was destroyed by Oromo protesters, and his father’s equestrian monument in Harar was removed.

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Hammurabi (c. 1810 – c. 1750 BC) was the sixth king of the First Babylonian dynasty of the Amorite tribe, reigning from c. 1792 BC to c. 1750 BC (according to the Middle Chronology). He was preceded by his father, Sin-Muballit, who abdicated due to failing health. During his reign, he conquered Elam and the city-states of Larsa, Eshnunna, and Mari. He ousted Ishme-Dagan I, the king of Assyria, and forced his son Mut-Ashkur to pay tribute, bringing almost all of Mesopotamia under Babylonian rule.Hammurabi is best known for having issued the Code of Hammurabi, which he claimed to have received from Shamash, the Babylonian god of justice. Unlike earlier Sumerian law codes, such as the Code of Ur-Nammu, which had focused on compensating the victim of the crime, the Law of Hammurabi was one of the first law codes to place greater emphasis on the physical punishment of the perpetrator. It prescribed specific penalties for each crime and is among the first codes to establish the presumption of innocence. Although its penalties are extremely harsh by modern standards, they were intended to limit what a wronged person was permitted to do in retribution. The Code of Hammurabi and the Law of Moses in the Torah contain numerous similarities.
Hammurabi was seen by many as a god within his own lifetime. After his death, Hammurabi was revered as a great conqueror who spread civilization and forced all peoples to pay obeisance to Marduk, the national god of the Babylonians. Later, his military accomplishments became de-emphasized and his role as the ideal lawgiver became the primary aspect of his legacy. For later Mesopotamians, Hammurabi’s reign became the frame of reference for all events occurring in the distant past. Even after the empire he built collapsed, he was still revered as a model ruler, and many kings across the Near East claimed him as an ancestor. Hammurabi was rediscovered by archaeologists in the late nineteenth century and has since been seen as an important figure in the history of law.

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George Boole (; 2 November 1815 – 8 December 1864) was a largely self-taught English mathematician, philosopher, and logician, most of whose short career was spent as the first professor of mathematics at Queen’s College, Cork in Ireland. He worked in the fields of differential equations and algebraic logic, and is best known as the author of The Laws of Thought (1854) which contains Boolean algebra. Boolean logic is credited with laying the foundations for the information age.
Boole maintained that:No general method for the solution of questions in the theory of probabilities can be established which does not explicitly recognise, not only the special numerical bases of the science, but also those universal laws of thought which are the basis of all reasoning, and which, whatever they may be as to their essence, are at least mathematical as to their form.

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Hannibal (; Punic: 𐤇𐤍𐤁𐤏𐤋𐤟𐤁𐤓𐤒, Ḥannibaʿl Baraq; 247 – between 183 and 181 BC) was a Carthaginian general and statesman who commanded the forces of Carthage in their battle with the Roman Republic during the Second Punic War.
Hannibal’s father, Hamilcar Barca, was a leading Carthaginian commander during the First Punic War. His younger brothers were Mago and Hasdrubal; his brother-in-law was Hasdrubal the Fair, who commanded other Carthaginian armies.
Hannibal lived during a period of great tension in the western Mediterranean Basin, triggered by the emergence of the Roman Republic as a great power after establishing its supremacy over Italy. Although Rome had won the First Punic War, revanchism (the will to reverse territorial losses) prevailed in Carthage, symbolized by the pledge that Hannibal made to his father, “never be a friend of Rome”.
The Second Punic War began 218 BC after Hannibal’s attack on Saguntum (modern Sagunto, Spain), an ally of Rome, in Hispania. It was during this war that Hannibal made his famous military exploit of initiating war in Italy by crossing the Alps with North African war elephants.
In his first few years in Italy, he won a succession of victories at the Battle of the Trebia, Lake Trasimene, and Cannae (the latter of which being considered one of the great tactical feats in history). Hannibal was distinguished for his ability to determine both his and his opponent’s respective strengths and weaknesses, and to plan battles accordingly.
His well-planned strategies allowed him to conquer several Italian cities that were allied to Rome. Hannibal occupied most of southern Italy for 15 years. He could not win a decisive victory. The Romans, led by Fabius Maximus, avoided confrontation with him, instead waging a war of attrition. A counter-invasion of North Africa, led by Roman General Scipio Africanus, forced him to return to Carthage. Hannibal was eventually defeated at the Battle of Zama, his brother, Hasdrubal, driven out of the Iberian Peninsula by the forces of general Scipio.
After the war, Hannibal successfully ran for the office of sufet. He enacted political and financial reforms to enable the payment of the war indemnity imposed by Rome; however, those reforms were unpopular with members of the Carthaginian aristocracy and in Rome, and he fled into voluntary exile. During this time, he lived at the Seleucid court, where he acted as military advisor to Antiochus III the Great in his war against Rome. Antiochus met defeat at the Battle of Magnesia and was forced to accept Rome’s terms, and Hannibal fled again, making a stop in the Kingdom of Armenia. His flight ended in the court of Bithynia. He was betrayed to the Romans and committed suicide by poisoning himself.
Hannibal is often regarded as one of the greatest military tacticians in history and one of the greatest generals of Mediterranean antiquity, together with Philip of Macedon, Alexander the Great, Julius Caesar, Scipio Africanus and Pyrrhus. Plutarch states that Scipio supposedly asked Hannibal “who the greatest general was”, to which Hannibal replied “either Alexander or Pyrrhus, then himself”. Military historian Theodore Ayrault Dodge called Hannibal the “father of strategy”, because Roman armies adopted elements of his military tactics into their own strategic arsenal.

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Harriet Brooks (July 2, 1876 – April 17, 1933) was the first Canadian female nuclear physicist. She is most famous for her research on nuclear transmutations and radioactivity. Ernest Rutherford, who guided her graduate work, regarded her as comparable to Marie Curie in the calibre of her aptitude. She was among the first persons to discover radon and to try to determine its atomic mass.

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Harry Hammond Hess (May 24, 1906 – August 25, 1969) was an American geologist and a United States Navy officer in World War II who is considered one of the “founding fathers” of the unifying theory of plate tectonics. He is best known for his theories on sea floor spreading, specifically work on relationships between island arcs, seafloor gravity anomalies, and serpentinized peridotite, suggesting that the convection of the Earth’s mantle was the driving force behind this process.

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Zuriel Elise Oduwole is an American education advocate and film maker best known for her works on the advocacy for the education of girls in Africa. Her advocacy has since made her in the summer of 2013 at the age of 10, the youngest person to be profiled by Forbes. In November 2014, at age 12, Zuriel became the world’s youngest filmmaker to have a self-produced and self-edited work screened, after her film showed in two movie chains, and then went on to show in Ghana, England, South Africa, and Japan.
Oduwole has met with 31 presidents and prime ministers in line with her education advocacy work. Some of these include the leaders of Jamaica, Croatia, Nigeria, Kenya, Tanzania, Malawi, Liberia, South Sudan, Malta, St. Vincent & the Grenadines, Guyana, Sierra Leone and Namibia. She has also appeared in popular television stations including CNBC, Bloomberg TV, BBC and CNN. In 2013, Oduwole was listed in the New African Magazine’s list of “100 Most Influential People” and in October 2017, Harvard University graduate school featured her development story.

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Paul Ehrlich (German: [ˈpʰaʊ̯l ˈeːɐ̯lɪç] (listen); 14 March 1854 – 20 August 1915) was a Nobel Prize-winning German physician and scientist who worked in the fields of hematology, immunology, and antimicrobial chemotherapy. Among his foremost achievements were finding a cure for syphilis in 1909 and inventing the precursor technique to Gram staining bacteria. The methods he developed for staining tissue made it possible to distinguish between different types of blood cells, which led to the ability to diagnose numerous blood diseases.
His laboratory discovered arsphenamine (Salvarsan), the first effective medicinal treatment for syphilis, thereby initiating and also naming the concept of chemotherapy. Ehrlich popularized the concept of a magic bullet. He also made a decisive contribution to the development of an antiserum to combat diphtheria and conceived a method for standardizing therapeutic serums.In 1908, he received the Nobel Prize in Physiology or Medicine for his contributions to immunology. He was the founder and first director of what is now known as the Paul Ehrlich Institute, a German research institution and medical regulatory body that is the nation’s federal institute for vaccines and biomedicines. A genus of Rickettsiales bacteria, Ehrlichia, is named after him.

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Jules Henri Poincaré (UK: [US: stress final syllable], French: [ɑ̃ʁi pwɛ̃kaʁe] (listen); 29 April 1854 – 17 July 1912) was a French mathematician, theoretical physicist, engineer, and philosopher of science. He is often described as a polymath, and in mathematics as “The Last Universalist”, since he excelled in all fields of the discipline as it existed during his lifetime.
As a mathematician and physicist, he made many original fundamental contributions to pure and applied mathematics, mathematical physics, and celestial mechanics. In his research on the three-body problem, Poincaré became the first person to discover a chaotic deterministic system which laid the foundations of modern chaos theory. He is also considered to be one of the founders of the field of topology.
Poincaré made clear the importance of paying attention to the invariance of laws of physics under different transformations, and was the first to present the Lorentz transformations in their modern symmetrical form. Poincaré discovered the remaining relativistic velocity transformations and recorded them in a letter to Hendrik Lorentz in 1905. Thus he obtained perfect invariance of all of Maxwell’s equations, an important step in the formulation of the theory of special relativity. In 1905, Poincaré first proposed gravitational waves (ondes gravifiques) emanating from a body and propagating at the speed of light as being required by the Lorentz transformations.
The Poincaré group used in physics and mathematics was named after him.
Early in the 20th century he formulated the Poincaré conjecture that became over time one of the famous unsolved problems in mathematics until it was solved in 2002–2003 by Grigori Perelman.

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Henry Louis Le Chatelier (French pronunciation: ​[ɑ̃ʁi lwi lə ʃɑtlje]; 8 October 1850 – 17 September 1936) was a French chemist of the late 19th and early 20th centuries. He devised Le Chatelier’s principle, used by chemists and chemical engineers to predict the effect a changing condition has on a system in chemical equilibrium.

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Sir Henry Bessemer (19 January 1813 – 15 March 1898) was an English inventor, whose steel-making process would become the most important technique for making steel in the nineteenth century for almost one hundred years from 1856 to 1950. He also played a significant role in establishing the town of Sheffield as a major industrial centre.Bessemer had been trying to reduce the cost of steel-making for military ordnance, and developed his system for blowing air through molten pig iron to remove the impurities. This made steel easier, quicker and cheaper to manufacture, and revolutionized structural engineering. One of the most significant inventors of the Second Industrial Revolution, Bessemer also made over 100 other inventions in the fields of iron, steel and glass. Unlike most inventors, he managed to bring his own projects to fruition and profited financially from their success.

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Henry Dunant (born Jean-Henri Dunant; 8 May 1828 – 30 October 1910), also known as Henri Dunant, was a Swiss Christian, humanitarian, businessman and social activist. He was the visionary, promoter and co-founder and father of the Red Cross. In 1901, he received the first Nobel Peace Prize together with Frédéric Passy, making Dunant the first Swiss Nobel laureate.
During a business trip in 1859, Dunant was witness to the aftermath of the Battle of Solferino in modern-day Italy. He recorded his memories and experiences in the book A Memory of Solferino which inspired the creation of the International Committee of the Red Cross (ICRC) in 1863. The 1864 Geneva Convention was based on Dunant’s idea for an independent organisation to care for wounded soldiers.
Dunant was the founder of the Swiss branch of the Young Men’s Christian Association YMCA.

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Hernán Cortés de Monroy y Pizarro Altamirano, 1st Marquess of the Valley of Oaxaca (; Spanish: [eɾˈnaŋ koɾˈtez ðe monˈroj i piˈθaro altamiˈɾano]; 1485 – December 2, 1547) was a Spanish Conquistador who led an expedition that caused the fall of the Aztec Empire and brought large portions of what is now mainland Mexico under the rule of the King of Castile in the early 16th century. Cortés was part of the generation of Spanish explorers and conquistadors who began the first phase of the Spanish colonization of the Americas.
Born in Medellín, Spain, to a family of lesser nobility, Cortés chose to pursue adventure and riches in the New World. He went to Hispaniola and later to Cuba, where he received an encomienda (the right to the labor of certain subjects). For a short time, he served as alcalde (magistrate) of the second Spanish town founded on the island. In 1519, he was elected captain of the third expedition to the mainland, which he partly funded. His enmity with the Governor of Cuba, Diego Velázquez de Cuéllar, resulted in the recall of the expedition at the last moment, an order which Cortés ignored.
Arriving on the continent, Cortés executed a successful strategy of allying with some indigenous people against others. He also used a native woman, Doña Marina, as an interpreter. She later bore his first son. When the Governor of Cuba sent emissaries to arrest Cortés, he fought them and won, using the extra troops as reinforcements. Cortés wrote letters directly to the king asking to be acknowledged for his successes instead of being punished for mutiny. After he overthrew the Aztec Empire, Cortés was awarded the title of Marqués del Valle de Oaxaca, while the more prestigious title of Viceroy was given to a high-ranking nobleman, Antonio de Mendoza. In 1541 Cortés returned to Spain, where he died six years later of natural causes.
Because of the controversial undertakings of Cortés and the scarcity of reliable sources of information about him, it is difficult to describe his personality or motivations. Early lionizing of the conquistadores did not encourage deep examination of Cortés. Modern reconsideration has done little to enlarge understanding regarding him. As a result of these historical trends, descriptions of Cortés tend to be simplistic, and either damning or idealizing.

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Hideyo Noguchi (野口 英世, Noguchi Hideyo, November 9, 1876 – May 21, 1928), also known as Seisaku Noguchi (野口 清作, Noguchi Seisaku), was a prominent Japanese bacteriologist who in 1911 discovered the agent of syphilis as the cause of progressive paralytic disease.

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Hillary Diane Rodham Clinton (born October 26, 1947) is an American politician, diplomat, lawyer, writer, and public speaker who served as the 67th United States secretary of state from 2009 to 2013, as a United States senator from New York from 2001 to 2009, and as first lady of the United States from 1993 to 2001 as the wife of President Bill Clinton. A member of the Democratic Party, she was the party’s nominee for president in the 2016 presidential election, becoming the first woman to win a presidential nomination by a major U.S. political party. Clinton won the popular vote in the election, making her the first woman to do so. However, she failed to win the Electoral College.
Raised in the Chicago suburb of Park Ridge, Rodham graduated from Wellesley College in 1969 and earned a Juris Doctor from Yale Law School in 1973. After serving as a congressional legal counsel, she moved to Arkansas and married future president Bill Clinton in 1975; the two had met at Yale. In 1977, Clinton co-founded Arkansas Advocates for Children and Families. She was appointed the first female chair of the Legal Services Corporation in 1978 and became the first female partner at Little Rock’s Rose Law Firm the following year. The National Law Journal twice listed her as one of the hundred most influential lawyers in America. Clinton was the first lady of Arkansas from 1979 to 1981 and again from 1983 to 1992. As the first lady of the United States, Clinton advocated for healthcare reform. In 1994, her major initiative—the Clinton health care plan—failed to gain approval from Congress. In 1997 and 1999, Clinton played a leading role in advocating the creation of the State Children’s Health Insurance Program, the Adoption and Safe Families Act, and the Foster Care Independence Act. Clinton advocated for gender equality at the 1995 UN conference on women. Her marital relationship came under public scrutiny during the Lewinsky scandal, which led her to issue a statement that reaffirmed her commitment to the marriage.
In 2000, Clinton was elected as the first female senator from New York and became the first First lady to simultaneously hold elected office, and then the first former First lady to serve in the Senate. She was re-elected in 2006 and chaired the Senate Democratic Steering and Outreach Committee from 2003 to 2007. During her Senate tenure, Clinton advocated for medical benefits for first responders whose health was damaged in the September 11 attacks. She supported the resolution authorizing the Iraq War in 2002 but opposed the surge of U.S. troops in 2007. In 2008, Clinton ran for president but was defeated by eventual winner Barack Obama in the Democratic primaries. Clinton was U.S. secretary of state in the first term of the Obama administration from 2009 to 2013. During her tenure, Clinton established the Quadrennial Diplomacy and Development Review. She responded to the Arab Spring by advocating military intervention in Libya but was harshly criticized by Republicans for the failure to prevent or adequately respond to the 2012 Benghazi attack. Clinton helped to organize a diplomatic isolation and a regime of international sanctions against Iran in an effort to force it to curtail its nuclear program; this effort eventually led to the multinational JCPOA nuclear agreement in 2015. Her use of a private email server when she was Secretary of State was the subject of intense scrutiny; while no charges were filed against Clinton, the email controversy was the single most covered topic during the 2016 presidential election.
Clinton made a second presidential run in 2016. After winning the Democratic nomination, she ran in the general election with Virginia senator Tim Kaine as her running mate. Clinton lost the presidential election to Republican opponent Donald Trump in the Electoral College despite winning a plurality of the popular vote. Following her loss, she wrote her third memoir, What Happened, and launched Onward Together, a political action organization dedicated to fundraising for progressive political groups. Since January 2020, she has been the chancellor of Queen’s University Belfast in Belfast, Northern Ireland.

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Vice-Admiral Horatio Nelson, 1st Viscount Nelson, 1st Duke of Bronté, (29 September 1758 – 21 October 1805), also known simply as Admiral Nelson, was an English flag officer in the Royal Navy. His inspirational leadership, grasp of strategy, and unconventional tactics brought about a number of decisive British naval victories, particularly during the Napoleonic Wars. He is widely regarded as one of the greatest naval commanders in history.
Nelson was born into a moderately prosperous Norfolk family and joined the navy through the influence of his uncle, Maurice Suckling, a high-ranking naval officer. Nelson rose rapidly through the ranks and served with leading naval commanders of the period before obtaining his own command at the age of 20, in 1778. He developed a reputation for personal valour and firm grasp of tactics, but suffered periods of illness and unemployment after the end of the American War of Independence. The outbreak of the French Revolutionary Wars allowed Nelson to return to service, where he was particularly active in the Mediterranean. He fought in several minor engagements off Toulon and was important in the capture of Corsica, where he was wounded and lost partial sight in one eye, and subsequent diplomatic duties with the Italian states. In 1797, he distinguished himself while in command of HMS Captain at the Battle of Cape St Vincent. Shortly after that battle, Nelson took part in the Battle of Santa Cruz de Tenerife, where the attack failed and he lost his right arm, forcing him to return to England to recuperate. The following year he won a decisive victory over the French at the Battle of the Nile and remained in the Mediterranean to support the Kingdom of Naples against a French invasion.
In 1801, Nelson was dispatched to the Baltic and won another victory, this time over the Danes at the Battle of Copenhagen. He commanded the blockade of the French and Spanish fleets at Toulon and, after their escape, chased them to the West Indies and back but failed to bring them to battle. After a brief return to England, he took over the Cádiz blockade, in 1805. On 21 October 1805, the Franco-Spanish fleet came out of port, and Nelson’s fleet engaged them at the Battle of Trafalgar. The battle became one of Britain’s greatest naval victories, but Nelson, aboard HMS Victory, was fatally wounded by a French sharpshooter. His body was brought back to England, where he was accorded a state funeral.
Nelson’s death at Trafalgar secured his position as one of Britain’s most heroic figures. His signal just prior to the commencement of the battle, “England expects that every man will do his duty”, is regularly quoted, paraphrased and referenced. Numerous monuments, including Nelson’s Column in Trafalgar Square, London, and the Nelson Monument in Edinburgh, have been created in his memory.

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Howard Hathaway Aiken (March 8, 1900 – March 14, 1973) was an American physicist and a pioneer in computing, being the original conceptual designer behind IBM’s Harvard Mark I computer.

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Hugo Junkers (3 February 1859 – 3 February 1935) was a German aircraft engineer and aircraft designer who pioneered the design of all-metal airplanes and flying wings. His company, Junkers Flugzeug- und Motorenwerke AG (Junkers Aircraft and Motor Works), was one of the mainstays of the German aircraft industry in the years between World War I and World War II. His multi-engined, all-metal passenger- and freight planes helped establish airlines in Germany and around the world.
In addition to aircraft, Junkers also built both diesel and petrol engines and held various thermodynamic and metallurgical patents. He was also one of the main sponsors of the Bauhaus movement and facilitated the move of the Bauhaus from Weimar to Dessau (where his factory was situated) in 1925.
Amongst the highlights of his career were the Junkers J 1 of 1915, the world’s first practical all-metal aircraft, incorporating a cantilever wing design with virtually no external bracing, the Junkers F 13 of 1919 (the world’s first all-metal passenger aircraft), the Junkers W 33 (which made the first successful heavier-than-air east-to-west crossing of the Atlantic Ocean), the Junkers G.38 “flying wing”, and the Junkers Ju 52, affectionately nicknamed “Tante Ju”, one of the most famous airliners of the 1930s.
When the Nazis came into power in 1933 they requested Junkers and his businesses aid in the German re-armament. When Junkers declined, the Nazis responded by demanding ownership of all patents and market shares from his remaining companies, under threat of imprisonment on the grounds of High Treason. In 1934 Junkers was placed under house arrest, and died at home in 1935 during negotiations to give up the remaining stock and interests in Junkers. Under Nazi control, his company produced some of the most successful German warplanes of the Second World War.

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Huston Cummings Smith (May 31, 1919 – December 30, 2016) was a leading scholar of religious studies in the United States. He was widely regarded as one of the world’s most influential figures in religious studies. He authored at least thirteen books on world’s religions and philosophy, and his book The World’s Religions (originally titled The Religions of Man) sold over three million copies as of 2017 and remains a popular introduction to comparative religion.Born and raised in Suzhou, China in a Methodist missionary family, Huston Smith moved back to the United States at the age of 17 and graduated from the University of Chicago in 1945 with a PhD in philosophy. He spent the majority of his academic career as a professor at Washington University in St. Louis (1947-1958), Massachusetts Institute of Technology (1958–1973) and Syracuse University (1973–1983). In 1983, he retired from Syracuse and moved to Berkeley, California, where he was a visiting professor of religious studies at the University of California, Berkeley until his death.

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Hypatia (born c. 350–370; died 415 AD) was a Greek Neoplatonist philosopher, astronomer, and mathematician, who lived in Alexandria, Egypt, then part of the Eastern Roman Empire. She was a prominent thinker of the Neoplatonic school in Alexandria where she taught philosophy and astronomy. Although preceded by Pandrosion, another Alexandrine female mathematician, she is the first female mathematician whose life is reasonably well recorded. Hypatia was renowned in her own lifetime as a great teacher and a wise counselor. She wrote a commentary on Diophantus’s thirteen-volume Arithmetica, which may survive in part, having been interpolated into Diophantus’s original text, and another commentary on Apollonius of Perga’s treatise on conic sections, which has not survived. Many modern scholars also believe that Hypatia may have edited the surviving text of Ptolemy’s Almagest, based on the title of her father Theon’s commentary on Book III of the Almagest.
Hypatia constructed astrolabes and hydrometers, but did not invent either of these, which were both in use long before she was born. Although she herself was a pagan, she was tolerant towards Christians and taught many Christian students, including Synesius, the future bishop of Ptolemais. Ancient sources record that Hypatia was widely beloved by pagans and Christians alike and that she established great influence with the political elite in Alexandria. Towards the end of her life, Hypatia advised Orestes, the Roman prefect of Alexandria, who was in the midst of a political feud with Cyril, the bishop of Alexandria. Rumors spread accusing her of preventing Orestes from reconciling with Cyril and, in March 415 AD, she was murdered by a mob of Christians led by a lector named Peter.Hypatia’s murder shocked the empire and transformed her into a “martyr for philosophy”, leading future Neoplatonists such as Damascius to become increasingly fervent in their opposition to Christianity. During the Middle Ages, Hypatia was co-opted as a symbol of Christian virtue and scholars believe she was part of the basis for the legend of Saint Catherine of Alexandria. During the Age of Enlightenment, she became a symbol of opposition to Catholicism. In the nineteenth century, European literature, especially Charles Kingsley’s 1853 novel Hypatia, romanticized her as “the last of the Hellenes”. In the twentieth century, Hypatia became seen as an icon for women’s rights and a precursor to the feminist movement. Since the late twentieth century, some portrayals have associated Hypatia’s death with the destruction of the Library of Alexandria, despite the historical fact that the library no longer existed during Hypatia’s lifetime.

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Ignaz Philipp Semmelweis (German: [ˈɪɡnaːts ˈzɛml̩vaɪs]; Hungarian: Semmelweis Ignác Fülöp [ˈsɛmmɛlvɛjs ˈiɡnaːts ˈfyløp]; 1 July 1818 – 13 August 1865) was a Hungarian physician and scientist, now known as an early pioneer of antiseptic procedures. Described as the “saviour of mothers”, Semmelweis discovered that the incidence of puerperal fever (also known as “childbed fever”) could be drastically cut by the use of hand disinfection in obstetrical clinics. Puerperal fever was common in mid-19th-century hospitals and often fatal. Semmelweis proposed the practice of washing hands with chlorinated lime solutions in 1847 while working in Vienna General Hospital’s First Obstetrical Clinic, where doctors’ wards had three times the mortality of midwives’ wards. He published a book of his findings in Etiology, Concept and Prophylaxis of Childbed Fever.
Despite various publications of results where hand washing reduced mortality to below 1%, Semmelweis’s observations conflicted with the established scientific and medical opinions of the time and his ideas were rejected by the medical community. He could offer no acceptable scientific explanation for his findings, and some doctors were offended at the suggestion that they should wash their hands and mocked him for it. In 1865, the increasingly outspoken Semmelweis supposedly suffered a nervous breakdown and was committed to an asylum by his colleagues. In the asylum he was beaten by the guards. He died 14 days later, from a gangrenous wound on his right hand that may have been caused by the beating. Semmelweis’s practice earned widespread acceptance only years after his death, when Louis Pasteur confirmed the germ theory, and Joseph Lister, acting on the French microbiologist’s research, practised and operated using hygienic methods, with great success.

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Igor Ivanovich Sikorsky (Russian: И́горь Ива́нович Сико́рский, tr. Ígor’ Ivánovič Sikórskij; May 25, 1889 – October 26, 1972) was a Russian–American aviation pioneer in both helicopters and fixed-wing aircraft. His first success came with the S-2, the second aircraft of his design and construction. His fifth airplane, the S-5, won him national recognition as well as F.A.I. license number 64. His S-6-A received the highest award at the 1912 Moscow Aviation Exhibition, and in the fall of that year the aircraft won first prize for its young designer, builder and pilot in the military competition at Saint Petersburg.After immigrating to the United States in 1919, Sikorsky founded the Sikorsky Aircraft Corporation in 1923, and developed the first of Pan American Airways’ ocean-crossing flying boats in the 1930s.
In 1939, Sikorsky designed and flew the Vought-Sikorsky VS-300, the first viable American helicopter, which pioneered the rotor configuration used by most helicopters today. Sikorsky modified the design into the Sikorsky R-4, which became the world’s first mass-produced helicopter in 1942.

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Igor Fyodorovich Stravinsky (17 June [O.S. 5 June] 1882 – 6 April 1971) was a Russian composer, pianist and conductor, later of French (from 1934) and American (from 1945) citizenship. He is widely considered one of the most important and influential composers of the 20th century.
Stravinsky’s compositional career was notable for its stylistic diversity. He first achieved international fame with three ballets commissioned by the impresario Sergei Diaghilev and first performed in Paris by Diaghilev’s Ballets Russes: The Firebird (1910), Petrushka (1911), and The Rite of Spring (1913). The last transformed the way in which subsequent composers thought about rhythmic structure and was largely responsible for Stravinsky’s enduring reputation as a revolutionary who pushed the boundaries of musical design. His “Russian phase”, which continued with works such as Renard, L’Histoire du soldat, and Les noces, was followed in the 1920s by a period in which he turned to neoclassicism. The works from this period tended to make use of traditional musical forms (concerto grosso, fugue, and symphony) and drew from earlier styles, especially those of the 18th century. In the 1950s, Stravinsky adopted serial procedures. His compositions of this period shared traits with examples of his earlier output: rhythmic energy, the construction of extended melodic ideas out of a few two- or three-note cells, and clarity of form and instrumentation.

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Ilhan Abdullahi Omar (born October 4, 1982) is an American politician serving as the U.S. Representative for Minnesota’s 5th congressional district since 2019. She is a member of the Democratic–Farmer–Labor Party. Before her election to Congress, Omar served in the Minnesota House of Representatives from 2017 to 2019, representing part of Minneapolis. Her congressional district includes all of Minneapolis and some of its suburbs.
Omar serves as whip of the Congressional Progressive Caucus and has advocated for a $15 minimum wage, universal healthcare, student loan debt forgiveness, the protection of Deferred Action for Childhood Arrivals, and abolishing U.S. Immigration and Customs Enforcement (ICE). A frequent critic of Israel, Omar supports the Boycott, Divestment and Sanctions (BDS) movement and has denounced its settlement policy and military campaigns in the occupied Palestinian territories, as well as what she describes as the influence of pro-Israel lobbies.Omar is the first Somali American and the first naturalized citizen of African birth in the United States Congress, and the first woman of color to represent Minnesota. She is also one of the first two Muslim women (along with Rashida Tlaib) to serve in Congress. She has been the target of several death threats, harassment by political opponents, and false and misleading claims by Donald Trump.

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Isabella I (Spanish: Isabel I, 22 April 1451 – 26 November 1504) was Queen of Castile from 1474 until she died in 1504, reigning over a dynastically unified Spain jointly with her husband, King Ferdinand II of Aragon. She was Queen of Aragon after Ferdinand ascended in 1479. Together they are known as the Catholic Monarchs.After a struggle to claim the throne, Isabella reorganized the governmental system, brought the crime rate to the lowest it had been in years, and unburdened the kingdom of the enormous debt her half-brother King Henry IV had left behind. Isabella’s marriage to Ferdinand in 1469 created the basis of the de facto unification of Spain. Her reforms and those she made with her husband had an influence that extended well beyond the borders of their united kingdoms.
Isabella and Ferdinand are known for completing the Reconquista, ordering the expulsion of Muslims and Jews from Spain, for supporting and financing Christopher Columbus’s 1492 voyage that led to the discovery of the New World by Europeans, and for the establishment of Spain as a major power in Europe and much of the world for more than a century. Isabella was granted, together with her husband, the title of “Catholic monarch” by Pope Alexander VI, and was recognized in 1974 as a servant of God by the Catholic Church.

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Badīʿ az-Zaman Abu l-ʿIzz ibn Ismāʿīl ibn ar-Razāz al-Jazarī (1136–1206, Arabic: بديع الزمان أَبُ اَلْعِزِ إبْنُ إسْماعِيلِ إبْنُ الرِّزاز الجزري‎,), IPA: [ældʒæzæriː]) was a Muslim polymath: a scholar, inventor, mechanical engineer, artisan, artist and mathematician from Artuqid Dynasty of Jazira in Mesopotamia. He is best known for writing The Book of Knowledge of Ingenious Mechanical Devices (Arabic: كتاب في معرفة الحيل الهندسية‎, romanized: Kitab fi ma’rifat al-hiyal al-handasiya, lit. ’Book in knowledge of engineering tricks’) in 1206, where he described 50 mechanical devices, along with instructions on how to construct them. He is credited with the invention of the elephant clock. Known by many as the “father of robotics” and modern day engineering.

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Ivan Petrovich Pavlov (Russian: Ива́н Петро́вич Па́влов, IPA: [ɪˈvan pʲɪˈtrovʲɪtɕ ˈpavləf] (listen); 26 September [O.S. 14 September] 1849 – 27 February 1936) was a Russian physiologist known primarily for his work in classical conditioning.
From his childhood days Pavlov demonstrated intellectual curiosity along with an unusual energy which he referred to as “the instinct for research”. Inspired by the progressive ideas which Dmitry Pisarev, a Russian literary critic of the 1860s, and Ivan Sechenov, the father of Russian physiology, were spreading, Pavlov abandoned his religious career and devoted his life to science. In 1870, he enrolled in the physics and mathematics department at the University of Saint Petersburg to study natural science.Pavlov won the Nobel Prize for Physiology or Medicine in 1904, becoming the first Russian Nobel laureate. A survey in the Review of General Psychology, published in 2002, ranked Pavlov as the 24th most cited psychologist of the 20th century. Pavlov’s principles of classical conditioning have been found to operate across a variety of behavior therapies and in experimental and clinical settings, such as educational classrooms and even reducing phobias with systematic desensitization.

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Paul Jackson Pollock (January 28, 1912 – August 11, 1956) was an American painter and a major figure in the abstract expressionist movement. He was widely noticed for his “drip technique” of pouring or splashing liquid household paint onto a horizontal surface, enabling him to view and paint his canvases from all angles. It was also called all-over painting and action painting, since he covered the entire canvas and used the force of his whole body to paint, often in a frenetic dancing style. This extreme form of abstraction divided the critics: some praised the immediacy of the creation, while others derided the random effects. In 2016, Pollock’s painting titled Number 17A was reported to have fetched US$200 million in a private purchase.
A reclusive and volatile personality, Pollock struggled with alcoholism for most of his life. In 1945, he married the artist Lee Krasner, who became an important influence on his career and on his legacy. Pollock died at the age of 44 in an alcohol-related single-car accident when he was driving. In December 1956, four months after his death, Pollock was given a memorial retrospective exhibition at the Museum of Modern Art (MoMA) in New York City. A larger, more comprehensive exhibition of his work was held there in 1967. In 1998 and 1999, his work was honored with large-scale retrospective exhibitions at MoMA and at The Tate in London.

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Jacob August Riis (; May 3, 1849 – May 26, 1914) was a Danish-American social reformer, “muckraking” journalist and social documentary photographer. He contributed significantly to the cause of urban reform in America at the turn of the twentieth century. He is known for using his photographic and journalistic talents to help the impoverished in New York City; those impoverished New Yorkers were the subject of most of his prolific writings and photography. He endorsed the implementation of “model tenements” in New York with the help of humanitarian Lawrence Veiller. Additionally, as one of the most famous proponents of the newly practicable casual photography, he is considered one of the fathers of photography due to his very early adoption of flash in photography.
While living in New York, Riis experienced poverty and became a police reporter writing about the quality of life in the slums. He attempted to alleviate the bad living conditions of poor people by exposing their living conditions to the middle and upper classes.

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Jacques-Yves Cousteau, (, also UK: , French: [ʒak iv kusto]; 11 June 1910 – 25 June 1997) was a French naval officer, explorer, conservationist, filmmaker, innovator, scientist, photographer, author and researcher who studied the sea and all forms of life in water. He co-developed the Aqua-Lung, pioneered marine conservation and was a member of the Académie Française.
Cousteau described his underwater world research in a series of books, perhaps the most successful being his first book, The Silent World: A Story of Undersea Discovery and Adventure, published in 1953. Cousteau also directed films, most notably The Silent World, the documentary adaptation of his book, which won a Palme d’or at the 1956 Cannes Film Festival. He remained the only person to win a Palme d’Or for a documentary film until Michael Moore won the award in 2004 for Fahrenheit 9/11.

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Jacob Bernoulli (also known as James or Jacques; 6 January 1655 [O.S. 27 December 1654] – 16 August 1705) was one of the many prominent mathematicians in the Bernoulli family. He was an early proponent of Leibnizian calculus and sided with Gottfried Wilhelm Leibniz during the Leibniz–Newton calculus controversy. He is known for his numerous contributions to calculus, and along with his brother Johann, was one of the founders of the calculus of variations. He also discovered the fundamental mathematical constant e. However, his most important contribution was in the field of probability, where he derived the first version of the law of large numbers in his work Ars Conjectandi.

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Sir James Dyson (born 2 May 1947) is a British inventor, industrial designer, farmer and billionaire entrepreneur who founded Dyson Ltd. He is best known as the inventor of the dual cyclone bagless vacuum cleaner, which works on the principle of cyclonic separation. According to the Sunday Times Rich List 2021, he is the fourth richest person in the UK with an estimated net worth of £16.3 billion.He served as the Provost of the Royal College of Art from August 2011 to July 2017, and opened a new University, the Dyson Institute of Engineering and Technology, on Dyson’s Wiltshire Campus in September 2017.

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James Hargreaves (c. 1720 – 22 April 1778) was an English weaver, carpenter and inventor who lived and worked in Lancashire, England. He was one of three men responsible for the mechanisation of spinning: Hargreaves is credited with inventing the spinning jenny in 1764; Richard Arkwright patented the water frame in 1769; and Samuel Crompton combined the two, creating the spinning mule in 1779.

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James Augustine Aloysius Joyce (2 February 1882 – 13 January 1941) was an Irish novelist, short story writer, poet, teacher, and literary critic. He contributed to the modernist avant-garde movement and is regarded as one of the most influential and important writers of the 20th century. Joyce is best known for Ulysses (1922), a landmark work in which the episodes of Homer’s Odyssey are paralleled in a variety of literary styles, most famously stream of consciousness. Other well-known works are the short-story collection Dubliners (1914), and the novels A Portrait of the Artist as a Young Man (1916) and Finnegans Wake (1939). His other writings include three books of poetry, a play, his published letters and occasional journalism.
Joyce was born in Dublin into a middle-class family. A brilliant student, he attended the Jesuit Clongowes Wood College in County Kildare, then, briefly, the Christian Brothers-run O’Connell School before excelling at the Jesuit Belvedere College, despite the chaotic family life imposed by his father’s unpredictable finances. He went on to attend University College Dublin.
In 1904, in his early 20s, Joyce emigrated to continental Europe with his partner (and later wife) Nora Barnacle. They lived in Trieste, Paris, and Zürich. Although most of his adult life was spent abroad, Joyce’s fictional universe centres on Dublin and is populated largely by characters who closely resemble family members, enemies, and friends from his time there. Ulysses in particular is set with precision in the streets and alleyways of the city. Shortly after the publication of the book, he elucidated this preoccupation, saying, “For myself, I always write about Dublin, because if I can get to the heart of Dublin I can get to the heart of all the cities of the world. In the particular is contained the universal.”

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Jane Cooke Wright (also known as “Jane Jones” or “Mrs Jane Jones”) (November 20, 1919 – February 19, 2013) was a pioneering cancer researcher and surgeon noted for her contributions to chemotherapy. In particular, Wright is credited with developing the technique of using human tissue culture rather than laboratory mice to test the effects of potential drugs on cancer cells. She also pioneered the use of the drug methotrexate to treat breast cancer and skin cancer (mycosis fungoids). Wright grew up in a medical dynasty and had many privileges that allowed her to obtain many successes in the medical field.

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Jean Omer Marie Gabriel Monnet (French: [ʒɑ̃ mɔnɛ]; 9 November 1888 – 16 March 1979) was a French entrepreneur, diplomat, financier, administrator, and political visionary. An influential supporter of European unity, he is considered one of the founding fathers of the European Union.
Jean Monnet has been called “The Father of Europe” by those who see his innovative and pioneering efforts in the 1950s as the key to establishing the European Coal and Steel Community, the predecessor of today’s European Union. Although Monnet was never elected to public office, he worked behind the scenes of American and European governments as a well-connected “pragmatic internationalist”.He was the first-ever individual to be bestowed Honorary Citizenship of Europe in 1976. On the hundredth anniversary of his birth in 1988 he was honoured by interment in the Panthéon.

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Joan of Arc (French: Jeanne d’Arc pronounced [ʒan daʁk]; c. 1412 – 30 May 1431), nicknamed “The Maid of Orléans” (French: La Pucelle d’Orléans), is considered a heroine of France for her role during the Lancastrian phase of the Hundred Years’ War, and was canonized as a saint. She was born to Jacques d’Arc and Isabelle Romée, a peasant family, at Domrémy in the Vosges of northeast France. Joan said that she received visions of the archangel Michael, Saint Margaret, and Saint Catherine of Alexandria instructing her to support Charles VII and recover France from English domination late in the Hundred Years’ War. The as-yet-unanointed King Charles VII sent Joan to the siege of Orléans as part of a relief army. She gained prominence after the siege was lifted only nine days later. Several additional swift victories led to Charles VII’s consecration at Reims. This long-awaited event boosted French morale and paved the way for the final French victory at Castillon in 1453.
On 23 May 1430, she was captured at Compiègne by the Burgundian faction, a group of French nobles allied with the English. She was later handed over to the English and put on trial by the pro-English bishop, Pierre Cauchon, on a variety of charges. After Cauchon declared her guilty, she was burned at the stake on 30 May 1431, dying at about 19 years of age.In 1456, an inquisitorial court authorized by Pope Callixtus III examined the trial, debunked the charges against her, pronounced her innocent, and declared her a martyr. In the 16th century she became a symbol of the Catholic League, and in 1803 she was declared a national symbol of France by the decision of Napoleon Bonaparte. She was beatified in 1909 and canonized in 1920. Joan of Arc is one of the nine secondary patron saints of France.
Joan of Arc has remained a popular figure in literature, painting, sculpture, and other cultural works since the time of her death, and many famous writers, playwrights, filmmakers, artists, and composers have created, and continue to create, cultural depictions of her.

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John Davison Rockefeller Sr. (July 8, 1839 – May 23, 1937) was an American business magnate and philanthropist. He is widely considered the wealthiest American of all time and the richest person in modern history.Rockefeller was born into a large and poor family in upstate New York that moved several times before eventually settling in Cleveland, Ohio. He became an assistant bookkeeper at age 16 and went into several business partnerships beginning at age 20, concentrating his business on oil refining. Rockefeller founded the Standard Oil Company in 1870. He ran it until 1897, and remained its largest shareholder.
Rockefeller’s wealth soared as kerosene and gasoline grew in importance, and he became the richest person in the country, controlling 90% of all oil in the United States at his peak. Oil was used throughout the country as a light source until the introduction of electricity, and as a fuel after the invention of the automobile. Furthermore, Rockefeller gained enormous influence over the railroad industry which transported his oil around the country. Standard Oil was the first great business trust in the United States. Rockefeller revolutionized the petroleum industry and, through corporate and technological innovations, was instrumental in both widely disseminating and drastically reducing the production cost of oil. His company and business practices came under criticism, particularly in the writings of author Ida Tarbell.
The Supreme Court ruled in 1911 that Standard Oil must be dismantled for violation of federal antitrust laws. It was broken up into 34 separate entities, which included companies that became ExxonMobil, Chevron Corporation, and others—some of which still have the highest level of revenue in the world.
In the end it turned out that the individual segments of the company were worth more than the entire company was when it was one entity—the sum of the parts were worth more than the whole—as shares of these doubled and tripled in value in their early years. Consequently, Rockefeller became the country’s first billionaire, with a fortune worth nearly 2% of the national economy. His personal wealth was estimated in 1913 at $900 million, which was almost 3% of the US GDP of $39.1 billion that year. That was his peak net worth, and amounts to US$423 billion (in 2020 dollars; inflation-adjusted).Rockefeller spent much of the last 40 years of his life in retirement at Kykuit, his estate in Westchester County, New York, defining the structure of modern philanthropy, along with other key industrialists such as steel magnate Andrew Carnegie. His fortune was mainly used to create the modern systematic approach of targeted philanthropy through the creation of foundations that had a major effect on medicine, education, and scientific research. His foundations pioneered developments in medical research and were instrumental in the near-eradication of hookworm and yellow fever in the United States. He and Carnegie gave form and impetus through their charities to the work of Abraham Flexner, who in his essay “Medical Education in America” emphatically endowed empiricism as the basis for the US medical system of the 20th century.Rockefeller was also the founder of the University of Chicago and Rockefeller University and funded the establishment of Central Philippine University in the Philippines. He was a devout Northern Baptist and supported many church-based institutions. He adhered to total abstinence from alcohol and tobacco throughout his life. For advice, he relied closely on his wife Laura Spelman Rockefeller with whom he had five children. He was a faithful congregant of the Erie Street Baptist Mission Church, taught Sunday school, and served as a trustee, clerk, and occasional janitor. Religion was a guiding force throughout his life and he believed it to be the source of his success. Rockefeller was also considered a supporter of capitalism based on a perspective of social Darwinism, and he was quoted often as saying, “The growth of a large business is merely a survival of the fittest”.

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William Joseph Seymour (May 2, 1870 – September 28, 1922) was an African-American holiness preacher who initiated the Azusa Street Revival, an influential event in the rise of the Pentecostal and Charismatic movements. He was the second of eight children born to emancipated slaves and raised Catholic in extreme poverty in Louisiana.
Seymour was a student of the early Pentecostal minister Charles Parham, and he adopted Parham’s belief that speaking in tongues was the sign of receiving the baptism in the Holy Spirit. In 1906, Seymour moved to Los Angeles, California, where he preached the Pentecostal message and sparked the Azusa Street Revival. The revival drew large crowds of believers as well as media coverage that focused on the controversial religious practices as well as the racially integrated worship services, which violated the racial norms of the time. Seymour’s leadership of the revival and publication of The Apostolic Faith newspaper launched him into prominence within the young Pentecostal movement. Seymour broke with Parham in 1906 over theological differences as well as Parham’s unhappiness with interracial revival meetings.
As the revival’s influence extended beyond Los Angeles through evangelism and missionary work, Seymour was in the process of developing the revival into a larger organization called the Apostolic Faith Movement. This process was ultimately defeated by power struggles with other ministers, such as Florence Crawford and William Howard Durham, which ultimately damaged the unity of the early Pentecostal movement and led to a decrease in Seymour’s influence. By 1914, the revival was past its peak, but Seymour continued to pastor the Apostolic Faith Mission he founded until his death. The revival acted as a catalyst for the spread of Pentecostal practices, such as speaking in tongues and integrated worship, throughout the world. It also played an important role in the history of most major Pentecostal denominations.

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William Jaird Levitt (February 11, 1907 – January 28, 1994) was an American real-estate developer and housing pioneer. As president of Levitt & Sons, he is widely credited as the father of modern American suburbia. He was named one of Time Magazine’s “100 Most Influential People of the 20th Century.”

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William Thomas Green Morton (August 9, 1819 – July 15, 1868) was an American dentist and physician who first publicly demonstrated the use of inhaled ether as a surgical anesthetic in 1846. The promotion of his questionable claim to have been the discoverer of anesthesia became an obsession for the rest of his life.

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William Tyndale (; sometimes spelled Tynsdale, Tindall, Tindill, Tyndall; c. 1494 – c. 6 October 1536) was an English scholar who became a leading figure in the Protestant Reformation in the years leading up to his execution. He is well known as a translator of the Bible into English, influenced by the works of Erasmus of Rotterdam and Martin Luther.A number of partial English translations had been made from the 7th century onwards, but the religious ferment caused by Wycliffe’s Bible in the late 14th century led to the death penalty for anyone found in unlicensed possession of Scripture in English, though translations were available in all other major European languages.Tyndale worked during a Renaissance of scholarship, which saw the publication of Reuchlin’s Hebrew grammar in 1506. Greek was available to the European scholarly community for the first time in centuries, as it welcomed Greek-speaking intellectuals and texts following the fall of Constantinople in 1453. Notably, Erasmus compiled, edited, and published the Greek Scriptures in 1516. Luther’s German Bible appeared in 1522.
Tyndale’s translation was the first English Bible to draw directly from Hebrew and Greek texts, the first English translation to take advantage of the printing press, the first of the new English Bibles of the Reformation, and the first English translation to use Jehovah (“Iehouah”) as God’s name as preferred by English Protestant Reformers. It was taken to be a direct challenge to the hegemony of both the Catholic Church and the laws of England maintaining the church’s position.
A copy of Tyndale’s The Obedience of a Christian Man (1528), which some claim or interpret to argue that the king of a country should be the head of that country’s church rather than the Pope, fell into the hands of the English King Henry VIII, providing a rationalisation for breaking the Church in England from the Catholic Church in 1534. In 1530, Tyndale wrote The Practyse of Prelates, opposing Henry’s annulment of his own marriage on the grounds that it contravened Scripture. Fleeing England, Tyndale sought refuge in the Flemish territory of the Catholic Emperor Charles V. In 1535, Tyndale was arrested and jailed in the castle of Vilvoorde (Filford) outside Brussels for over a year. In 1536, he was convicted of heresy and executed by strangulation, after which his body was burnt at the stake. His dying prayer was that the King of England’s eyes would be opened; this seemed to find its fulfilment just one year later with Henry’s authorisation of the Matthew Bible, which was largely Tyndale’s own work, with missing sections translated by John Rogers and Miles Coverdale.
Tyndale’s translation of the Bible was used for subsequent English translations, including the Great Bible and the Bishops’ Bible, authorised by the Church of England. In 1611 after seven years of work, the 47 scholars who produced the King James Bible drew significantly from Tyndale’s original work and the other translations that descended from his. One estimate suggests that the New Testament in the King James Version is 83% Tyndale’s words and the Old Testament 76%. Hence, the work of Tyndale continued to play a key role in spreading Reformation ideas across the English-speaking world and eventually across the British Empire. In 2002, Tyndale was placed 26th in the BBC’s poll of the 100 Greatest Britons.

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William Wilberforce (24 August 1759 – 29 July 1833) was a British politician, philanthropist, and a leader of the movement to abolish the slave trade. A native of Kingston upon Hull, Yorkshire, he began his political career in 1780, eventually becoming an independent Member of Parliament (MP) for Yorkshire (1784–1812). In 1785, he became an evangelical Christian, which resulted in major changes to his lifestyle and a lifelong concern for reform.
In 1787, he came into contact with Thomas Clarkson and a group of anti-slave-trade activists, including Granville Sharp, Hannah More and Charles Middleton. They persuaded Wilberforce to take on the cause of abolition, and he soon became one of the leading English abolitionists. He headed the parliamentary campaign against the British slave trade for twenty years until the passage of the Slave Trade Act of 1807.
Wilberforce was convinced of the importance of religion, morality and education. He championed causes and campaigns such as the Society for the Suppression of Vice, British missionary work in India, the creation of a free colony in Sierra Leone, the foundation of the Church Mission Society, and the Society for the Prevention of Cruelty to Animals. His underlying conservatism led him to support politically and socially controversial legislation, and resulted in criticism that he was ignoring injustices at home while campaigning for the enslaved abroad.
In later years, Wilberforce supported the campaign for the complete abolition of slavery, and continued his involvement after 1826, when he resigned from Parliament because of his failing health. That campaign led to the Slavery Abolition Act 1833, which abolished slavery in most of the British Empire. Wilberforce died just three days after hearing that the passage of the Act through Parliament was assured. He was buried in Westminster Abbey, close to his friend William Pitt the Younger.

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Meshullam Zalman Schachter-Shalomi (28 August 1924 – 3 July 2014), commonly called “Reb Zalman” (full Hebrew name: Meshullam Zalman Hiyya ben Chaya Gittel veShlomo HaCohen), was one of the founders of the Jewish Renewal movement and an innovator in ecumenical dialogue.

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John Winston Ono Lennon (born John Winston Lennon; 9 October 1940 – 8 December 1980) was an English singer, songwriter, musician and peace activist who achieved worldwide fame as the founder, co-songwriter, co-lead vocalist and rhythm guitarist of the Beatles. His songwriting partnership with Paul McCartney remains the most successful in history. In 1969, he started the Plastic Ono Band with his second wife, Yoko Ono. After the Beatles disbanded in 1970, Lennon continued his music career as a solo artist and as Ono’s collaborator.
Born in Liverpool, Lennon became involved in the skiffle craze as a teenager. In 1956, he formed his first band, the Quarrymen, which evolved into the Beatles in 1960. He was initially the group’s de facto leader, a role gradually ceded to McCartney. Lennon was characterised for the rebellious nature and acerbic wit in his music, writing, drawings, on film and in interviews. In the mid-1960s, he had two books published: In His Own Write and A Spaniard in the Works, both collections of nonsense writings and line drawings. Starting with 1967’s “All You Need Is Love”, his songs were adopted as anthems by the anti-war movement and the larger counterculture.
In 1969, he held the two week-long anti-war demonstration Bed-Ins for Peace. From 1968 to 1972, Lennon produced more than a dozen records with Ono, including a trilogy of avant-garde albums, his first solo LPs John Lennon/Plastic Ono Band and Imagine, and the international top 10 singles “Give Peace a Chance”, “Instant Karma!”, “Imagine” and “Happy Xmas (War Is Over)”. After moving to New York City in 1971, his criticism of the Vietnam War resulted in a three-year attempt by the Nixon administration to deport him. In 1975, Lennon disengaged from the music business to raise his infant son Sean and, in 1980, returned with the Ono collaboration Double Fantasy. He was shot and killed in the archway of his Manhattan apartment building by a former Beatles fan, Mark David Chapman, three weeks after the album’s release.
As a performer, writer or co-writer, Lennon had 25 number one singles in the Billboard Hot 100 chart. Double Fantasy, his best-selling album, won the 1981 Grammy Award for Album of the Year. In 1982, Lennon was honoured with the Brit Award for Outstanding Contribution to Music. In 2002, Lennon was voted eighth in a BBC poll of the 100 Greatest Britons. Rolling Stone ranked him the fifth-greatest singer and thirty-eighth greatest artist of all time. He was inducted into the Songwriters Hall of Fame (in 1997) and the Rock and Roll Hall of Fame (twice, as a member of the Beatles in 1988 and as a solo artist in 1994).

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John Robert Lewis (February 21, 1940 – July 17, 2020) was an American statesman and civil rights activist who served in the United States House of Representatives for Georgia’s 5th congressional district from 1987 until his death in 2020. He was the chairman of the Student Nonviolent Coordinating Committee (SNCC) from 1963 to 1966. Lewis was one of the “Big Six” leaders of groups who organized the 1963 March on Washington. He fulfilled many key roles in the civil rights movement and its actions to end legalized racial segregation in the United States.
In 1965, Lewis led the first of three Selma to Montgomery marches across the Edmund Pettus Bridge. In an incident which became known as Bloody Sunday, state troopers and police attacked the marchers, including Lewis.
A member of the Democratic Party, Lewis was first elected to Congress in 1986 and served 17 terms in the U.S. House of Representatives. The district he represented included most of Atlanta. Due to his length of service, he became the dean of the Georgia congressional delegation. While in the House, Lewis was one of the leaders of the Democratic Party, serving from 1991 as a Chief Deputy Whip and from 2003 as a Senior Chief Deputy Whip. John Lewis received many honorary degrees and awards, including the Presidential Medal of Freedom in 2011.

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John Maynard Keynes, 1st Baron Keynes, ( KAYNZ; 5 June 1883 – 21 April 1946) was an English economist, whose ideas fundamentally changed the theory and practice of macroeconomics and the economic policies of governments. Originally trained in mathematics, he built on and greatly refined earlier work on the causes of business cycles. One of the most influential economists of the 20th century, his ideas are the basis for the school of thought known as Keynesian economics, and its various offshoots.During the Great Depression of the 1930s, Keynes spearheaded a revolution in economic thinking, challenging the ideas of neoclassical economics that held that free markets would, in the short to medium term, automatically provide full employment, as long as workers were flexible in their wage demands. He argued that aggregate demand (total spending in the economy) determined the overall level of economic activity, and that inadequate aggregate demand could lead to prolonged periods of high unemployment, and that labor costs and wages were rigid downwards, which means the economy will not automatically rebound to full employment. Keynes advocated the use of fiscal and monetary policies to mitigate the adverse effects of economic recessions and depressions. He detailed these ideas in his magnum opus, The General Theory of Employment, Interest and Money, published in late 1936. By the late 1930s, leading Western economies had begun adopting Keynes’s policy recommendations. Almost all capitalist governments had done so by the end of the two decades following Keynes’s death in 1946. As a leader of the British delegation, Keynes participated in the design of the international economic institutions established after the end of World War II but was overruled by the American delegation on several aspects.
Keynes’s influence started to wane in the 1970s, partly as a result of the stagflation that plagued the Anglo-American economies during that decade, and partly because of criticism of Keynesian policies by Milton Friedman and other monetarists, who disputed the ability of government to favorably regulate the business cycle with fiscal policy. However, the advent of the global financial crisis of 2007–2008 sparked a resurgence in Keynesian thought. Keynesian economics provided the theoretical underpinning for economic policies undertaken in response to the financial crisis of 2007–2008 by President Barack Obama of the United States, Prime Minister Gordon Brown of the United Kingdom, and other heads of governments.When Time magazine included Keynes among its Most Important People of the Century in 1999, it stated that “his radical idea that governments should spend money they don’t have may have saved capitalism.” The Economist has described Keynes as “Britain’s most famous 20th-century economist.” In addition to being an economist, Keynes was also a civil servant, a director of the Bank of England, and a part of the Bloomsbury Group of intellectuals.

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Takamine Jōkichi (高峰 譲吉, November 3, 1854 – July 22, 1922) was a Japanese chemist. His most important achievement was the isolation of the chemical adrenalin (now called epinephrine) from the suprarenal gland (1901). This was the first pure hormone to be isolated from natural sources.

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Joseph Bramah (13 April 1748 – 9 December 1814), born Stainborough Lane Farm, Stainborough, Barnsley Yorkshire, was an English inventor and locksmith. He is best known for having invented the hydraulic press. Along with William George Armstrong, he can be considered one of the two fathers of hydraulic engineering.

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Joseph John Campbell (March 26, 1904 – October 30, 1987) was an American professor of literature at Sarah Lawrence College who worked in comparative mythology and comparative religion. His work covers many aspects of the human experience. Campbell’s best-known work is his book The Hero with a Thousand Faces (1949), in which he discusses his theory of the journey of the archetypal hero shared by world mythologies, termed the monomyth.
Since the publication of The Hero with a Thousand Faces, Campbell’s theories have been applied by a wide variety of modern writers and artists. His philosophy has been summarized by his own often repeated phrase: “Follow your bliss.” He gained recognition in Hollywood when George Lucas credited Campbell’s work as influencing his Star Wars saga.Campbell’s approach to folklore topics such as myth and his influence on popular culture has been the subject of criticism, including from folklorists, academics in folklore studies.

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Joseph Priestley (; 24 March 1733 – 6 February 1804) was an English chemist, natural philosopher, separatist theologian, grammarian, multi-subject educator, and liberal political theorist who published over 150 works. He has historically been credited with the independent discovery of oxygen in 1774 by the thermal decomposition of mercuric oxide, having isolated it. Although Swedish chemist Carl Wilhelm Scheele also has strong claims to the discovery, Priestley published his findings first. Scheele discovered it by heating potassium nitrate, mercuric oxide, and many other substances about 1772.During his lifetime, Priestley’s considerable scientific reputation rested on his invention of carbonated water, his writings on electricity, and his discovery of several “airs” (gases), the most famous being what Priestley dubbed “dephlogisticated air” (oxygen). Priestley’s determination to defend phlogiston theory and to reject what would become the chemical revolution eventually left him isolated within the scientific community.
Priestley’s science was integral to his theology, and he consistently tried to fuse Enlightenment rationalism with Christian theism. In his metaphysical texts, Priestley attempted to combine theism, materialism, and determinism, a project that has been called “audacious and original”. He believed that a proper understanding of the natural world would promote human progress and eventually bring about the Christian millennium. Priestley, who strongly believed in the free and open exchange of ideas, advocated toleration and equal rights for religious Dissenters, which also led him to help found Unitarianism in England. The controversial nature of Priestley’s publications, combined with his outspoken support of the French Revolution, aroused public and governmental suspicion; he was eventually forced to flee in 1791, first to London and then to the United States, after a mob burned down his Birmingham home and church. He spent his last ten years in Northumberland County, Pennsylvania.
A scholar and teacher throughout his life, Priestley also made significant contributions to pedagogy, including the publication of a seminal work on English grammar and books on history, and he prepared some of the most influential early timelines. These educational writings were among Priestley’s most popular works. It was his metaphysical works, however, that had the most lasting influence, being considered primary sources for utilitarianism by philosophers such as Jeremy Bentham, John Stuart Mill, and Herbert Spencer.

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Joseph Ber Soloveitchik (Hebrew: יוסף דב הלוי סולובייצ׳יק‎ Yosef Dov ha-Levi Soloveychik; February 27, 1903 – April 9, 1993) was a major American Orthodox rabbi, Talmudist, and modern Jewish philosopher. He was a scion of the Lithuanian Jewish Soloveitchik rabbinic dynasty.
As a rosh yeshiva of Rabbi Isaac Elchanan Theological Seminary at Yeshiva University in New York City, The Rav (variantly spelled The Rov), as he came to be known (alternatively referred to as “Rov Yosheh Ber” by other rabbinic figures), ordained close to 2,000 rabbis over the course of almost half a century.
He served as an advisor, guide, mentor, and role-model for tens of thousands of Jews, both as a Talmudic scholar and as a religious leader. He is regarded as a seminal figure by Modern Orthodox Judaism.

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Joseph Louis Gay-Lussac (UK: , US: , French: [ʒɔzɛf lwi ɡɛlysak]; 6 December 1778 – 9 May 1850) was a French chemist and physicist. He is known mostly for his discovery that water is made of two parts hydrogen and one part oxygen (with Alexander von Humboldt), for two laws related to gases, and for his work on alcohol–water mixtures, which led to the degrees Gay-Lussac used to measure alcoholic beverages in many countries.

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Jules Gabriel Verne (; French: [ʒyl gabʁijɛl vɛʁn]; 8 February 1828 – 24 March 1905) was a French novelist, poet, and playwright. His collaboration with the publisher Pierre-Jules Hetzel led to the creation of the Voyages extraordinaires, a series of bestselling adventure novels including Journey to the Center of the Earth (1864), Twenty Thousand Leagues Under the Seas (1870), and Around the World in Eighty Days (1872). His novels, always very well documented, are generally set in the second half of the 19th century, taking into account the technological advances of the time.
In addition to his novels, he wrote numerous plays, short stories, autobiographical accounts, poetry, songs and scientific, artistic and literary studies. His work has been adapted for film and television since the beginning of cinema, as well as for comic books, theater, opera, music and video games.
Verne is considered to be an important author in France and most of Europe, where he has had a wide influence on the literary avant-garde and on surrealism. His reputation was markedly different in the Anglosphere where he had often been labeled a writer of genre fiction or children’s books, largely because of the highly abridged and altered translations in which his novels have often been printed. Since the 1980s, his literary reputation has improved.Jules Verne has been the second most-translated author in the world since 1979, ranking between Agatha Christie and William Shakespeare. He has sometimes been called the “Father of Science Fiction”, a title that has also been given to H. G. Wells and Hugo Gernsback. In the 2010s, he is the most translated French author in the world. In France, 2005 was declared “Jules Verne Year” on the occasion of the centenary of the writer’s death.

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Gaius Julius Caesar (Latin: [ˈɡaːiʊs ˈjuːliʊs ˈkae̯sar]; 12 July 100 BC – 15 March 44 BC) was a Roman general and statesman. A member of the First Triumvirate, Caesar led the Roman armies in the Gallic Wars before defeating Pompey in a civil war and governing the Roman Republic as a dictator from 49 BC until his assassination in 44 BC. He played a critical role in the events that led to the demise of the Roman Republic and the rise of the Roman Empire.
In 60 BC, Caesar, Crassus and Pompey formed the First Triumvirate, a political alliance that dominated Roman politics for several years. Their attempts to amass power as Populares were opposed by the Optimates within the Roman Senate, among them Cato the Younger with the frequent support of Cicero. Caesar rose to become one of the most powerful politicians in the Roman Republic through a string of military victories in the Gallic Wars, completed by 51 BC, which greatly extended Roman territory. During this time he both invaded Britain and built a bridge across the Rhine river. These achievements and the support of his veteran army threatened to eclipse the standing of Pompey, who had realigned himself with the Senate after the death of Crassus in 53 BC. With the Gallic Wars concluded, the Senate ordered Caesar to step down from his military command and return to Rome. Caesar openly defied the Senate’s authority by crossing the Rubicon and marching towards Rome at the head of an army. This began Caesar’s civil war, which he won, leaving him in a position of near unchallenged power and influence.
After assuming control of government, Caesar began a program of social and governmental reforms, including the creation of the Julian calendar. He gave citizenship to many residents of far regions of the Roman Republic. He initiated land reform and support for veterans. He centralized the bureaucracy of the Republic and was eventually proclaimed “dictator for life” (dictator perpetuo). His populist and authoritarian reforms angered the elites, who began to conspire against him. On the Ides of March (15 March), 44 BC, Caesar was assassinated by a group of rebellious senators led by Brutus and Cassius, who stabbed him to death. A new series of civil wars broke out and the constitutional government of the Republic was never fully restored. Caesar’s great-nephew and adopted heir Octavian, later known as Augustus, rose to sole power after defeating his opponents in the last civil war of the Roman Republic. Octavian set about solidifying his power, and the era of the Roman Empire began.
Caesar was an accomplished author and historian as well as a statesman; much of his life is known from his own accounts of his military campaigns. Other contemporary sources include the letters and speeches of Cicero and the historical writings of Sallust. Later biographies of Caesar by Suetonius and Plutarch are also important sources. Caesar is considered by many historians to be one of the greatest military commanders in history. His cognomen was subsequently adopted as a synonym for “Emperor”; the title “Caesar” was used throughout the Roman Empire, giving rise to modern cognates such as Kaiser and Tsar. He has frequently appeared in literary and artistic works, and his political philosophy, known as Caesarism, inspired politicians into the modern era.

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Creola Katherine Johnson (née Coleman; August 26, 1918 – February 24, 2020) was an American mathematician whose calculations of orbital mechanics as a NASA employee were critical to the success of the first and subsequent U.S. crewed spaceflights. During her 33-year career at NASA and its predecessor, she earned a reputation for mastering complex manual calculations and helped pioneer the use of computers to perform the tasks. The space agency noted her “historical role as one of the first African-American women to work as a NASA scientist”.Johnson’s work included calculating trajectories, launch windows, and emergency return paths for Project Mercury spaceflights, including those for astronauts Alan Shepard, the first American in space, and John Glenn, the first American in orbit, and rendezvous paths for the Apollo Lunar Module and command module on flights to the Moon. Her calculations were also essential to the beginning of the Space Shuttle program, and she worked on plans for a mission to Mars.
In 2015, President Barack Obama awarded Johnson the Presidential Medal of Freedom. In 2016, she was presented with the Silver Snoopy Award by NASA astronaut Leland D. Melvin and a NASA Group Achievement Award. She was portrayed by Taraji P. Henson as a lead character in the 2016 film Hidden Figures. In 2019, Johnson was awarded the Congressional Gold Medal by the United States Congress. In 2021, she was inducted into the National Women’s Hall of Fame.

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Kelvin Doe (born October 26, 1996, in Freetown, Sierra Leone), also known as DJ Focus, is a Sierra Leonean engineer. He is known for teaching himself engineering at the age of 12 and building his own radio station in Sierra Leone, where he plays music and broadcasts news under the name “DJ Focus.” He was one of the finalists in GMin’s Innovate Salone idea competition, in which Doe built a generator from scrap metals. Doe would constantly use discarded pieces of scrap electronics to build transmitters, generators, and batteries.As a result of his accomplishment, he received an invitation to the United States and subsequently became the youngest person to participate in the “Visiting Practitioner’s Program” at MIT. His accomplishments were documented by RadicalMedia and presented on their corporate YouTube channel. When the video went viral, the story was picked up by CNN, NBC News, and The Huffington Post.Doe subsequently was a speaker at TEDxTeen and lectured to undergraduate engineering students at Harvard College. In May 2013, Doe signed a $100,000 solar project pact with Canadian High-Speed Service Provider Sierra WiFi.Today, Kelvin Doe is one of the most respected young African inventors. He has had the opportunity of meeting various leaders of the world including former US Secretary of State Hillary Clinton, and Ghanaian President, Nana Akufo-Addo. He has also been able to speak to young people in Africa on different platforms. In 2016, Kelvin Doe became an Honorary Board member of Emergency USA, an organization with a mission to provide free medical and surgical care to the victims of war and poverty.Kelvin Doe now owns and runs his own company K-Doe Tech, Inc, where he designs and sells consumer electronics.

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Kenneth Earl Wilber II (born January 31, 1949) is an American philosopher and writer on transpersonal psychology and his own integral theory, a philosophy which suggests the synthesis of all human knowledge and experience.

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Khufu (, full name Khnum Khufu , known to the ancient Greeks as Cheops; Old Egyptian: ḫw.f-wj; /χawˈjafwij/) was an ancient Egyptian monarch who was the second pharaoh of the Fourth Dynasty, in the first half of the Old Kingdom period (26th century BC). Khufu succeeded his father Sneferu as king. He is generally accepted as having commissioned the Great Pyramid of Giza, one of the Seven Wonders of the Ancient World, but many other aspects of his reign are poorly documented.The only completely preserved portrait of the king is a three-inch high ivory figurine found in a temple ruin of a later period at Abydos in 1903. All other reliefs and statues were found in fragments, and many buildings of Khufu are lost. Everything known about Khufu comes from inscriptions in his necropolis at Giza and later documents. For example, Khufu is the main character noted in the Westcar Papyrus from the 13th dynasty.Most documents that mention king Khufu were written by ancient Egyptian and Greek historians around 300 BC. Khufu’s obituary is presented there in a conflicting way: while the king enjoyed a long-lasting cultural heritage preservation during the period of the Old Kingdom and the New Kingdom, the ancient historians Manetho, Diodorus and Herodotus hand down a very negative depiction of Khufu’s character. Thanks to these documents, an obscure and critical picture of Khufu’s personality persists.

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Konrad Hermann Joseph Adenauer (German: [ˈkɔnʁaːt ˈʔaːdənaʊɐ] (listen); 5 January 1876 – 19 April 1967) was a German statesman who served as the first chancellor of West Germany from 1949 to 1963. From 1946 to 1966, he was the first leader of the Christian Democratic Union (CDU), a Christian democratic party he co-founded, which under his leadership became the dominant force in the country.
A devout Roman Catholic and member of the Catholic Centre Party, Adenauer was a leading politician in the Weimar Republic, serving as Mayor of Cologne (1917–1933) and as president of the Prussian State Council (1922–1933). In the early years of the Federal Republic, he switched focus from denazification to recovery, and led his country from the ruins of World War II to becoming a productive and prosperous nation that forged close relations with France, the United Kingdom and the United States. During his years in power, West Germany achieved democracy, stability, international respect and economic prosperity (Wirtschaftswunder, German for “economic miracle”).Adenauer belied his age by his intense work habits and his uncanny political instinct. He displayed a strong dedication to a broad vision of market-based liberal democracy and anti-communism. A shrewd and strategic politician, Adenauer was deeply committed to a Western-oriented foreign policy and restoring the position of West Germany on the world stage. He worked to restore the West German economy from the destruction of World War II to a central position in Europe, presiding over the German economic miracle together with his Minister of Economics, Ludwig Erhard, and a driving force in re-establishing national military forces (the Bundeswehr) and intelligence services (the Bundesnachrichtendienst) in West Germany in 1955 and 1956. Adenauer opposed recognition of the rival German Democratic Republic or the Oder-Neisse line. He skillfully used these points in electoral campaigns against the SPD, which was more sympathetic to co-existence with the GDR and the post-war borders. Adenauer made West Germany a member of NATO. Although also a proponent of European unity, Adenauer pursued strong Atlanticist links with the United States as a counterbalance to France.
Adenauer, who resigned as Chancellor at the age of 87 and remained head of the governing CDU until his retirement at 90, was often dubbed “Der Alte” (“the old one”). According to British historian Roy Jenkins, he was “the oldest statesman ever to function in elected office” and the oldest head of government of a major country in modern European history as of 1993. In the 2010s, the former record has been surpassed by several leaders of other countries.

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Lady Mary Wortley Montagu (née Pierrepont; 15 May 1689 – 21 August 1762) was an English aristocrat, writer, and poet. Born in 1689, Lady Mary spent her early life in England. In 1712, Lady Mary married Edward Wortley Montagu, who later served as the British ambassador to the Sublime Porte. Lady Mary joined her husband in the Ottoman excursion, where she was to spend the next two years of her life. During her time there, Lady Mary wrote extensively on her experience as a woman in Ottoman Istanbul. After her return to England, Lady Mary devoted her attention to the upbringing of her family before dying of cancer in 1762.
Lady Mary is today chiefly remembered for her letters, particularly her Turkish Embassy Letters describing her travels to the Ottoman Empire, as wife to the British ambassador to Turkey, which Billie Melman described as “the very first example of a secular work by a woman about the Muslim Orient”. Aside from her writing, Lady Mary is also known for introducing and advocating for smallpox inoculation to Britain after her return from Turkey. Her writings address and challenge the hindering contemporary social attitudes towards women and their intellectual and social growth.

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Ho-Am Byung-chull Lee (12 February 1910 – 19 November 1987) was a South Korean businessman. He was the founder of the Samsung Group, which is South Korea’s largest business group, and one of South Korea’s most successful businessmen. He was a pioneer of modern entrepreneurship and was a beacon of national economic development for South Korea.

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Leif Erikson, Leiv Eiriksson or Leif Ericson also known as Leif the Lucky (old norse Leif inn Heppni) (c. 970 – c. 1020) was a Norse explorer from Iceland. He is thought to have been the first European to have set foot on continental North America (excluding Greenland), approximately half a millennium before Christopher Columbus. According to the sagas of Icelanders, he established a Norse settlement at Vinland, which is usually interpreted as being coastal North America. There is ongoing speculation that the settlement made by Leif and his crew corresponds to the remains of a Norse settlement found in Newfoundland, Canada, called L’Anse aux Meadows and which was occupied c. 1000.Leif was the son of Erik the Red, the founder of the first Norse settlement in Greenland, and Thjodhild (Þjóðhildur) of Iceland. His place of birth is not known, but he is assumed to have been born in Iceland, which had recently been colonized by Norsemen mainly from Norway. He grew up in the family estate Brattahlíð in the Eastern Settlement in Greenland. Leif had two known sons: Thorgils, born to noblewoman Thorgunna in the Hebrides; and Thorkell, who succeeded him as chieftain of the Greenland settlement.

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Fibonacci (; also US: , Italian: [fiboˈnattʃi]; c. 1170 – c. 1240–50), also known as Leonardo Bonacci, Leonardo of Pisa, or Leonardo Bigollo Pisano (‘Leonardo the Traveller from Pisa’), was an Italian mathematician from the Republic of Pisa, considered to be “the most talented Western mathematician of the Middle Ages”.The name he is commonly called, Fibonacci, was made up in 1838 by the Franco-Italian historian Guillaume Libri and is short for filius Bonacci (‘son of Bonacci’). However, even earlier in 1506 a notary of the Holy Roman Empire, Perizolo mentions Leonardo as “Lionardo Fibonacci”.Fibonacci popularized the Hindu–Arabic numeral system in the Western world primarily through his composition in 1202 of Liber Abaci (Book of Calculation). He also introduced Europe to the sequence of Fibonacci numbers, which he used as an example in Liber Abaci.

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Leonhard Euler ( OY-lər; German: [ˈɔʏlɐ] (listen); 15 April 1707 – 18 September 1783) was a Swiss mathematician, physicist, astronomer, geographer, logician and engineer who founded the studies of graph theory and topology and made pioneering and influential discoveries in many other branches of mathematics such as analytic number theory, complex analysis, and infinitesimal calculus. He introduced much of modern mathematical terminology and notation, including the notion of a mathematical function. He is also known for his work in mechanics, fluid dynamics, optics, astronomy and music theory.
Euler is held to be one of the greatest mathematicians in history and the greatest of the 18th century. A statement attributed to Pierre-Simon Laplace expresses Euler’s influence on mathematics: “Read Euler, read Euler, he is the master of us all.” Carl Friedrich Gauss remarked: “The study of Euler’s works will remain the best school for the different fields of mathematics, and nothing else can replace it.” Euler is also widely considered to be the most prolific; his more than 850 publications are collected in 92 quarto volumes, (including his Opera Omnia) more than anyone else in the field. He spent most of his adult life in Saint Petersburg, Russia, and in Berlin, then the capital of Prussia.
Euler is credited for popularizing the Greek letter π (lowercase pi) to denote Archimedes’ constant (the ratio of a circle’s circumference to its diameter), as well as first employing the term f(x) to describe a function’s y-axis, the letter i to express the imaginary unit √-1, and the Greek letter Σ (capital sigma) to express summations. He gave the current definition of the constant e, the base of the natural logarithm, still known as Euler’s number. Euler was also the first practitioner of graph theory (partly as a solution for the problem of the Seven Bridges of Königsberg). He became famous – among others – for solving the Basel Problem, after proving that the sum of the infinite series of squared integer reciprocals equaled exactly, π 2/6 and for discovering that the sum of the numbers of edges and faces minus vertices of a polyhedron equals 2, a number now commonly known as the Euler characteristic. In the field of physics, Euler reformulated Newton’s laws of physics into new laws in his two-volume work Mechanica to explain the motion of rigid bodies more easily. He also made substantial contributions to the study of elastic deformations of solid objects.

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Leonhart Fuchs (German: [ˈfʊks]; 17 January 1501 – 10 May 1566), sometimes spelled Leonhard Fuchs, was a German physician and botanist. His chief notability is as the author of a large book about plants and their uses as medicines, a herbal, which was first published in 1542 in Latin. It has about 500 accurate and detailed drawings of plants, which were printed from woodcuts. The drawings are the book’s most notable advance on its predecessors. Although drawings had been used in other herbal books, Fuchs’s herbal book proved and emphasized high-quality drawings as the most telling way to specify what a plant name stands for.
The botanical genus Fuchsia is named in his honour and consequently the colour fuchsia.

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Lewis Wickes Hine (September 26, 1874 – November 3, 1940) was an American sociologist and photographer. Hine used his camera as a tool for social reform. His photographs were instrumental in changing child labor laws in the United States.

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Liliʻuokalani (Hawaiian pronunciation: [liˌliʔuokəˈlɐni]; Lydia Liliʻu Loloku Walania Kamakaʻeha; September 2, 1838 – November 11, 1917) was the only queen regnant and the last sovereign monarch of the Hawaiian Kingdom, ruling from January 29, 1891, until the overthrow of the Hawaiian Kingdom on January 17, 1893. The composer of “Aloha ʻOe” and numerous other works, she wrote her autobiography Hawaiʻi’s Story by Hawaiʻi’s Queen during her imprisonment following the overthrow.
Liliʻuokalani was born on September 2, 1838, in Honolulu, on the island of Oʻahu. While her natural parents were Analea Keohokālole and Caesar Kapaʻakea, she was hānai (informally adopted) at birth by Abner Pākī and Laura Kōnia and raised with their daughter Bernice Pauahi Bishop. Baptized as a Christian and educated at the Royal School, she and her siblings and cousins were proclaimed eligible for the throne by King Kamehameha III. She was married to American-born John Owen Dominis, who later became the Governor of Oʻahu. The couple had no biological children but adopted several. After the accession of her brother David Kalākaua to the throne in 1874, she and her siblings were given Western style titles of Prince and Princess. In 1877, after her younger brother Leleiohoku II’s death, she was proclaimed as heir apparent to the throne. During the Golden Jubilee of Queen Victoria, she represented her brother as an official envoy to the United Kingdom.
Liliʻuokalani ascended to the throne on January 29, 1891, nine days after her brother’s death. During her reign, she attempted to draft a new constitution which would restore the power of the monarchy and the voting rights of the economically disenfranchised. Threatened by her attempts to abrogate the Bayonet Constitution, pro-American elements in Hawaiʻi overthrew the monarchy on January 17, 1893. The overthrow was bolstered by the landing of US Marines under John L. Stevens to protect American interests, which rendered the monarchy unable to protect itself.
The coup d’état established the Republic of Hawaiʻi, but the ultimate goal was the annexation of the islands to the United States, which was temporarily blocked by President Grover Cleveland. After an unsuccessful uprising to restore the monarchy, the oligarchical government placed the former queen under house arrest at the ʻIolani Palace. On January 24, 1895, Liliʻuokalani was forced to abdicate the Hawaiian throne, officially ending the deposed monarchy. Attempts were made to restore the monarchy and oppose annexation, but with the outbreak of the Spanish–American War, the United States annexed Hawaiʻi. Living out the remainder of her later life as a private citizen, Liliʻuokalani died at her residence, Washington Place, in Honolulu on November 11, 1917.

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Wallace Hume Carothers (; April 27, 1896 – April 29, 1937) was an American chemist, inventor and the leader of organic chemistry at DuPont, who was credited with the invention of nylon.Carothers was a group leader at the DuPont Experimental Station laboratory, near Wilmington, Delaware, where most polymer research was done. Carothers was an organic chemist who, in addition to first developing nylon, also helped lay the groundwork for neoprene. After receiving his Ph.D., he taught at several universities before he was hired by DuPont to work on fundamental research.
He married Helen Sweetman on February 21, 1936. Carothers had been troubled by periods of depression since his youth. Despite his success with nylon, he felt that he had not accomplished much and had run out of ideas. His unhappiness was exacerbated by the death of his sister, and on April 28, 1937, he committed suicide by drinking potassium cyanide. His daughter, Jane, was born on November 27, 1937.

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Walter Rauschenbusch (1861–1918) was an American theologian and Baptist pastor who taught at the Rochester Theological Seminary. Rauschenbusch was a key figure in the Social Gospel and single tax movements that flourished in the United States during the late 19th and early 20th centuries. He was also the maternal grandfather of the influential philosopher Richard Rorty and the great-grandfather of Paul Raushenbush.

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William Bateson (8 August 1861 – 8 February 1926) was an English biologist who was the first person to use the term genetics to describe the study of heredity, and the chief populariser of the ideas of Gregor Mendel following their rediscovery in 1900 by Hugo de Vries and Carl Correns. His 1894 book Materials for the Study of Variation was one of the earliest formulations of the new approach to genetics.

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Ziad Ahmed is a 22-year-old senior at Yale University. He is an American-Muslim-Bangladeshi student, entrepreneur, and speaker.
He is the CEO/Founder of JUV Consulting which is a purpose-driven Generation Z marketing consultancy. He founded the company in 2016 in response to realizing the extent to which his generation is misunderstood today. Since then, JUV has worked with 20+ Fortune 500 companies, has established full-time offices, and has grown its network of young folks to over 3,000 members.

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Linus Carl Pauling (; February 28, 1901 – August 19, 1994) was an American chemist, biochemist, chemical engineer, peace activist, author, and educator. He published more than 1,200 papers and books, of which about 850 dealt with scientific topics. New Scientist called him one of the 20 greatest scientists of all time, and as of 2000, he was rated the 16th most important scientist in history. For his scientific work, Pauling was awarded the Nobel Prize in Chemistry in 1954. For his peace activism, he was awarded the Nobel Peace Prize in 1962. He is one of four people to have won more than one Nobel Prize (the others being Marie Curie, John Bardeen and Frederick Sanger). Of these, he is the only person to have been awarded two unshared Nobel Prizes, and one of two people to be awarded Nobel Prizes in different fields, the other being Marie Curie.Pauling was one of the founders of the fields of quantum chemistry and molecular biology. His contributions to the theory of the chemical bond include the concept of orbital hybridisation and the first accurate scale of electronegativities of the elements. Pauling also worked on the structures of biological molecules, and showed the importance of the alpha helix and beta sheet in protein secondary structure. Pauling’s approach combined methods and results from X-ray crystallography, molecular model building, and quantum chemistry. His discoveries inspired the work of James Watson, Francis Crick, Maurice Wilkins and Rosalind Franklin on the structure of DNA, which in turn made it possible for geneticists to crack the DNA code of all organisms.In his later years he promoted nuclear disarmament, as well as orthomolecular medicine, megavitamin therapy, and dietary supplements. None of his ideas concerning the medical usefulness of large doses of vitamins have gained much acceptance in the mainstream scientific community. He was married to the American human rights activist Ava Helen Pauling.

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Louis Daniel Armstrong (August 4, 1901 – July 6, 1971), nicknamed “Satchmo”, “Satch”, and “Pops”, was an American trumpeter and vocalist. He is among the most influential figures in jazz. His career spanned five decades and different eras in the history of jazz.Armstrong was born and raised in New Orleans. Coming to prominence in the 1920s as an inventive trumpet and cornet player, Armstrong was a foundational influence in jazz, shifting the focus of the music from collective improvisation to solo performance. Around 1922, he followed his mentor, Joe “King” Oliver, to Chicago to play in the Creole Jazz Band. In Chicago, he spent time with other popular jazz musicians, reconnecting with his friend Bix Beiderbecke and spending time with Hoagy Carmichael and Lil Hardin. He earned a reputation at “cutting contests” and his fame reached band leader Fletcher Henderson. Henderson persuaded Armstrong to come to New York City, where he became a featured and musically influential band soloist and recording artist. Hardin became Armstrong’s second wife and they returned to Chicago to play together and then he began to form his own “Hot” jazz bands. After years of touring, he settled in Queens, and by the 1950s, he was a national musical icon, assisted in part, by his appearances on radio and in film and television, in addition to his concerts.
With his instantly recognizable rich, gravelly voice, Armstrong was also an influential singer and skillful improviser, bending the lyrics and melody of a song. He was also skilled at scat singing. Armstrong is renowned for his charismatic stage presence and voice as well as his trumpet playing. By the end of Armstrong’s life, his influence had spread to popular music in general. Armstrong was one of the first popular African-American entertainers to “cross over” to wide popularity with white (and international) audiences. He rarely publicly politicized his race, to the dismay of fellow African Americans, but took a well-publicized stand for desegregation in the Little Rock crisis. He was able to access the upper echelons of American society at a time when this was difficult for black men.
Armstrong appeared in films such as High Society (1956) alongside Bing Crosby, Grace Kelly, and Frank Sinatra, and Hello, Dolly! (1969) starring Barbra Streisand. He received many accolades including three Grammy Award nominations and a win for his vocal performance of Hello, Dolly! in 1964. In 2017, he was posthumously inducted into the Rhythm & Blues Hall of Fame.

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Louis-Jacques-Mandé Daguerre (; French: [dagɛʁ]; pronunciation; 18 November 1787 – 10 July 1851), better known as Louis Daguerre, was a French artist and photographer, recognized for his invention of the daguerreotype process of photography. He became known as one of the fathers of photography. Though he is most famous for his contributions to photography, he was also an accomplished painter and a developer of the diorama theatre.

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Ludwig Eduard Boltzmann (German pronunciation: [ˈluːtvɪg ˈbɔlt͡sman]; 20 February 1844 – 5 September 1906) was an Austrian physicist and philosopher. His greatest achievements were the development of statistical mechanics, and the statistical explanation of the second law of thermodynamics. In 1877 he provided the current definition of entropy,

S
=

k

B

ln
⁡
Ω

{displaystyle S=k_{rm {B}}ln Omega !}
, interpreted as a measure of statistical disorder of a system. Max Planck named the constant kB the Boltzmann constant.Statistical mechanics is one of the pillars of modern physics. It describes how macroscopic observations (such as temperature and pressure) are related to microscopic parameters that fluctuate around an average. It connects thermodynamic quantities (such as heat capacity) to microscopic behavior, whereas, in classical thermodynamics, the only available option would be to measure and tabulate such quantities for various materials.

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Ludwig van Beethoven ( (listen), German: [ˈluːtvɪç fan ˈbeːtˌhoːfn̩] (listen); baptised 17 December 1770 – 26 March 1827) was a German composer and pianist. Beethoven remains one of the most admired composers in the history of Western music; his works rank amongst the most performed of the classical music repertoire and span the transition from the Classical period to the Romantic era in classical music. His career has conventionally been divided into early, middle, and late periods. The “early” period, during which he forged his craft, is typically considered to have lasted until 1802. From 1802 to around 1812, his “middle” period showed an individual development from the “classical” styles of Joseph Haydn and Wolfgang Amadeus Mozart, and is sometimes characterized as “heroic”. During this time, he began to suffer increasingly from deafness. In his “late” period from 1812 to his death in 1827, he extended his innovations in musical form and expression.
Born in Bonn, Beethoven’s musical talent was obvious at an early age, and he was initially harshly and intensively taught by his father Johann van Beethoven. Beethoven was later taught by the composer and conductor Christian Gottlob Neefe, under whose tutelage he published his first work, a set of keyboard variations, in 1783. He found relief from a dysfunctional home life with the family of Helene von Breuning, whose children he loved, befriended, and taught piano. At age 21, he moved to Vienna, which subsequently became his base, and studied composition with Haydn. Beethoven then gained a reputation as a virtuoso pianist, and he was soon patronized by Karl Alois, Prince Lichnowsky for compositions, which resulted in his three Opus 1 piano trios (the earliest works to which he accorded an opus number) in 1795.
His first major orchestral work, the First Symphony, premiered in 1800, and his first set of string quartets was published in 1801. Despite his hearing deteriorating during this period, he continued to conduct, premiering his Third and Fifth Symphonies in 1804 and 1808, respectively. His Violin Concerto appeared in 1806. His last piano concerto (No. 5, Op. 73, known as the ‘Emperor’), dedicated to his frequent patron Archduke Rudolf of Austria, was premiered in 1811, without Beethoven as soloist. He was almost completely deaf by 1814, and he then gave up performing and appearing in public. He described his problems with health and his unfulfilled personal life in two letters, his “Heiligenstadt Testament” (1802) to his brothers and his unsent love letter to an unknown “Immortal Beloved” (1812).
After 1810, increasingly less socially involved, Beethoven composed many of his most admired works, including later symphonies, mature chamber music and the late piano sonatas. His only opera, Fidelio, first performed in 1805, was revised to its final version in 1814. He composed Missa solemnis between 1819 and 1823 and his final Symphony, No. 9, one of the first examples of a choral symphony, between 1822 and 1824. Written in his last years, his late string quartets, including the Grosse Fuge, of 1825–1826 are among his final achievements. After some months of bedridden illness, he died in 1827. Beethoven’s works remain mainstays of the classical music repertoire.

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Luis Fernando Cruz Ontiveros (born January 16, 1997 in Monterrey, Nuevo León) is a Mexican professional footballer.

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Luther Burbank (March 7, 1849 – April 11, 1926) was an American botanist, horticulturist and pioneer in agricultural science.
He developed more than 800 strains and varieties of plants over his 55-year career. Burbank’s varied creations included fruits, flowers, grains, grasses, and vegetables. He developed (but did not create) a spineless cactus (useful for cattle-feed) and the plumcot.
Burbank’s most successful strains and varieties included the Shasta daisy, the fire poppy (note possible confusion with the California wildflower, Papaver californicum, which is also called a fire poppy), the “July Elberta” peach, the “Santa Rosa” plum, the “Flaming Gold” nectarine, the “Wickson” plum (named after the agronomist Edward J. Wickson), the freestone peach, and the white blackberry. A natural genetic variant of the Burbank potato with russet-colored skin later became known as the russet Burbank potato. This large, brown-skinned, white-fleshed potato has become the world’s predominant potato in food processing. The Russet Burbank potato was in fact invented to help with the devastating situation in Ireland following the Great Famine. This particular potato variety was created by Burbank to help “revive the country’s leading crop” as it is slightly late blight-resistant. Late blight is a disease that spread and destroyed potatoes all across Europe, but caused extreme chaos in Ireland due to the high dependency on potatoes as a crop by the Irish.

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Lyndon Baines Johnson (; August 27, 1908 – January 22, 1973), often referred to by his initials LBJ, was the 36th president of the United States, serving from 1963 to 1969. He had previously served as the 37th vice president from 1961 to 1963 under President John F. Kennedy. A Democrat from Texas, Johnson also served as a U.S. representative, U.S. senator and the Senate’s majority leader. He holds the distinction of being one of the few presidents who served in all elected offices at the federal level.
Born in a farmhouse in Stonewall, Texas, to a local political family, Johnson worked as a high school teacher and a congressional aide before winning election to the U.S. House of Representatives in 1937. He won election to the United States Senate from Texas in 1948 after narrowly winning the Democratic Party’s nomination. He was appointed to the position of Senate Majority Whip in 1951. He became the Senate Democratic leader in 1953 and majority leader in 1954. In 1960 Johnson ran for the Democratic nomination for president. During the convention he came into conflict with the Democratic front-runner, fellow senator John F. Kennedy. The two men compromised and the Kennedy-Johnson ticket won in the 1960 presidential election. Vice President Johnson would assume the presidency on November 22, 1963 after President Kennedy was assassinated. The following year Johnson was elected to the presidency when he won in a landslide against Arizona Senator Barry Goldwater. Johnson received 61.1% of the popular vote in the 1964 presidential election; this makes his victory the largest share of the popular vote of any candidate since James Monroe’s victory in 1820.
Johnson’s domestic policy was aimed to create programs that would expand civil rights, public broadcasting, Medicare, Medicaid, aid to education and the arts, urban and rural development, and public services. Johnson coined the term the “Great Society” in 1964 to describe these efforts. In addition, he sought to create better living conditions for low income Americans by spearheading a campaign unofficially called the “War on Poverty”; assisted by a strong economy, the effort helped millions of Americans rise above the poverty line during his administration. Johnson followed his predecessor’s actions in bolstering the space program, and it was under his presidency that NASA’s efforts became a top national priority and the Apollo Program was expanded. He enacted the Higher Education Act of 1965 which established federally insured student loans. Johnson signed the Immigration and Nationality Act of 1965 which laid the groundwork for U.S. immigration policy today. Johnson’s opinion on the issue of civil rights put him at odds with other white, southern Democrats. His civil rights legacy was shaped by signing the Civil Rights Act of 1964, the Voting Rights Act of 1965, and the Civil Rights Act of 1968. During his presidency the American political landscape transformed significantly, as white southerners who were Democratic stalwarts gradually moved to the Republican Party and African-Americans began moving towards the Democratic Party. Because of his domestic agenda, Johnson’s presidency marked the peak of modern liberalism in the United States.Johnson’s presidency took place in Cold War America and thus he prioritized halting the expansion of Marxist-Leninist governments. Prior to 1964, the U.S. already had a noticeable presence in Vietnam by providing weapons, training, and aid to South Vietnam in order to stem the communist movement in the region. In 1964, following a naval skirmish, Congress passed the Gulf of Tonkin Resolution, which granted Johnson the power to launch a full military campaign in Southeast Asia, marking the escalation of American involvement in the Vietnam War. The number of American military personnel in Vietnam increased dramatically, and as the war progressed, American casualties soared along with deaths of Vietnamese civilians. In 1968, the Tet Offensive inflamed the anti-war movement and public opinion dramatically turned against the war. Many called an end to U.S. involvement, and opposition to the war surged among draft-age students on university campuses.
At home, Johnson faced further troubles when summer riots began in major cities in 1965 and crime rates soared. His political opponents seized the opportunity and raised demands for “law and order” policies. While Johnson began his presidency with widespread approval, support for him declined as the public became frustrated with both the war and social unrest. In the 1968 presidential election, he ended his bid for re-nomination after a disappointing result in the New Hampshire primary, and the election was eventually won by Republican candidate Richard Nixon. Johnson returned to his Texas ranch and kept a low profile until he died of a heart attack in 1973. One of the most controversial presidents in American history, public opinion of his legacy has continuously evolved since his death. Historians and scholars rank Johnson in the upper tier because of his domestic policies; his administration passed many major laws that made serious advancements in civil rights, health care, and welfare. However, he is widely condemned for his role in escalating the Vietnam War and the consequences that came along with it, including the deaths of 58,220 American service members, dropping over 7.5 million tons of explosives over Vietnam, and the use of the noxious herbicide Agent Orange.

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Maha Ghosananda (full title Samdech Preah Maha Ghosananda – Khmer: សម្តេចព្រះមហាឃោសានន្ទ; Pali: Mahāghosānanda; May 23, 1913 – March 12, 2007) was a highly revered Cambodian Buddhist monk in the Theravada tradition, who served as the Patriarch (Sangharaja) of Cambodian Buddhism during the Khmer Rouge period and post-communist transition period of Cambodian history. His Pali monastic name, ‘Mahā Ghosānanda’, means “great joyful proclaimer”. He was well known in Cambodia for his annual peace marches.

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Malala Yousafzai (Pashto pronunciation: Pashto: ملاله یوسفزۍ‎ [məˈlaːlə jusəf ˈzəj], Urdu: ملالہ یوسفزئی‎; born 12 July 1997), often referred to mononymously as Malala, is a Pakistani activist for female education and a Nobel Peace Prize laureate. She is also the world’s youngest Nobel Prize laureate, and second Pakistani. She is known for human rights advocacy, especially the education of women and children in her native Swat Valley in Khyber Pakhtunkhwa, northwest Pakistan, where the Tehrik-i-Taliban Pakistan had at times banned girls from attending school. Her advocacy has grown into an international movement, and according to former Pakistani Prime Minister Shahid Khaqan Abbasi, she has become the country’s “most prominent citizen”.The daughter of educational activist Ziauddin Yousafzai was born to a Pashtun family in Mingora, Khyber Pakhtunkhwa, Pakistan. Her family came to run a chain of schools in the region. Considering Muhammad Ali Jinnah and Benazir Bhutto as her role models, she was particularly inspired by her father’s thoughts and humanitarian work. In early 2009, when she was 11–12, she wrote a blog under a pseudonym for the BBC Urdu detailing her life during the Tehrik-i-Taliban Pakistan’s occupation of Swat. The following summer, journalist Adam B. Ellick made a New York Times documentary about her life as the Pakistani military intervened in the region. She rose in prominence, giving interviews in print and on television, and she was nominated for the International Children’s Peace Prize by activist Desmond Tutu.
On 9 October 2012, while on a bus in the Swat District, after taking an exam, Yousafzai and two other girls were shot by a Tehrik-i Taliban Pakistan gunman in an assassination attempt in retaliation for her activism; the gunman fled the scene. Yousafzai was hit in the head with a bullet and remained unconscious and in critical condition at the Rawalpindi Institute of Cardiology, but her condition later improved enough for her to be transferred to the Queen Elizabeth Hospital in Birmingham, UK. The attempt on her life sparked an international outpouring of support for her. Deutsche Welle reported in January 2013 that she may have become “the most famous teenager in the world”. Weeks after the attempted murder, a group of 50 leading Muslim clerics in Pakistan issued a fatwā against those who tried to kill her. Tehrik-i-Taliban Pakistan were internationally denounced by governments, human rights organizations and feminist groups. Tehrik-i-Taliban Pakistan officials responded to condemnation by further denouncing Yousafzai, indicating plans for a possible second assassination attempt, which they felt was justified as a religious obligation. Their statements resulted in further international condemnation.After her recovery, Yousafzai became a prominent activist for the right to education. Based in Birmingham, she co-founded the Malala Fund, a non-profit organisation with Shiza Shahid, and in 2013, she co-authored I Am Malala, an international best seller. In 2012, she received Pakistan’s first National Youth Peace Prize and the 2013 Sakharov Prize. In 2014, she was the co-recipient of the 2014 Nobel Peace Prize, with Kailash Satyarthi of India. Aged 17 at the time, she was the youngest-ever Nobel Prize laureate. In 2015, she was the subject of the Oscar-shortlisted documentary He Named Me Malala. The 2013, 2014 and 2015 issues of Time magazine featured her as one of the most influential people globally. In 2017 she was awarded honorary Canadian citizenship and became the youngest person to address the House of Commons of Canada.Yousafzai completed her secondary school education at Edgbaston High School, Birmingham in England from 2013 to 2017. From there she won a place at Oxford University and undertook three years of study for a Bachelor of Arts degree in Philosophy, Politics and Economics (PPE), as an undergraduate at Lady Margaret Hall, a college of the university. She graduated in 2020.

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Marcello Malpighi (10 March 1628 – 29 November 1694) was an Italian biologist and physician, who is referred to as the “Founder of microscopical anatomy, histology & Father of physiology and embryology”. Malpighi’s name is borne by several physiological features related to the biological excretory system, such as the Malpighian corpuscles and Malpighian pyramids of the kidneys and the Malpighian tubule system of insects. The splenic lymphoid nodules are often called the “Malpighian bodies of the spleen” or Malpighian corpuscles. The botanical family Malpighiaceae is also named after him. He was the first person to see capillaries in animals, and he discovered the link between arteries and veins that had eluded William Harvey. Malpighi was one of the earliest people to observe red blood cells under a microscope, after Jan Swammerdam. His treatise De polypo cordis (1666) was important for understanding blood composition, as well as how blood clots. In it, Malpighi described how the form of a blood clot differed in the right against the left sides of the heart.The use of the microscope enabled Malpighi to discover that invertebrates do not use lungs to breathe, but small holes in their skin called tracheae. Malpighi also studied the anatomy of the brain and concluded this organ is a gland. In terms of modern endocrinology, this deduction is correct because the hypothalamus of the brain has long been recognized for its hormone-secreting capacity.Because Malpighi had a wide knowledge of both plants and animals, he made contributions to the scientific study of both. The Royal Society of London published two volumes of his botanical and zoological works in 1675 and 1679. Another edition followed in 1687, and a supplementary volume in 1697. In his autobiography, Malpighi speaks of his Anatome Plantarum, decorated with the engravings of Robert White, as “the most elegant format in the whole literate world.”His study of plants led him to conclude that plants had tubules similar to those he saw in insects like the silk worm (using his microscope, he probably saw the stomata, through which plants exchange carbon dioxide with oxygen). Malpighi observed that when a ring-like portion of bark was removed on a trunk a swelling occurred in the tissues above the ring, and he correctly interpreted this as growth stimulated by food coming down from the leaves, and being blocked above the ring.

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Marco Polo ( (listen), Venetian: [ˈmaɾko ˈpolo], Italian: [ˈmarko ˈpɔːlo] (listen); September 15, 1254 – January 8, 1324) was a Venetian merchant, explorer, and writer who travelled through Asia along the Silk Road between 1271 and 1295. His travels are recorded in The Travels of Marco Polo (also known as Book of the Marvels of the World and Il Milione, c. 1300), a book that described to Europeans the then mysterious culture and inner workings of the Eastern world, including the wealth and great size of the Mongol Empire and China in the Yuan Dynasty, giving their first comprehensive look into China, Persia, India, Japan and other Asian cities and countries.Born in Venice, Marco learned the mercantile trade from his father and his uncle, Niccolò and Maffeo, who travelled through Asia and met Kublai Khan. In 1269, they returned to Venice to meet Marco for the first time. The three of them embarked on an epic journey to Asia, exploring many places along the Silk Road until they reached Cathay (China). They were received by the royal court of Kublai Khan, who was impressed by Marco’s intelligence and humility. Marco was appointed to serve as Khan’s foreign emissary, and he was sent on many diplomatic missions throughout the empire and Southeast Asia, such as in present-day Burma, India, Indonesia, Sri Lanka and Vietnam. As part of this appointment, Marco also travelled extensively inside China, living in the emperor’s lands for 17 years and seeing many things that had previously been unknown to Europeans. Around 1291, the Polos also offered to accompany the Mongol princess Kököchin to Persia; they arrived around 1293. After leaving the princess, they travelled overland to Constantinople and then to Venice, returning home after 24 years. At this time, Venice was at war with Genoa; Marco was captured and imprisoned by the Genoans after joining the war effort and dictated his stories to Rustichello da Pisa, a cellmate. He was released in 1299, became a wealthy merchant, married, and had three children. He died in 1324 and was buried in the church of San Lorenzo in Venice.
Though he was not the first European to reach China (see Europeans in Medieval China), Marco Polo was the first to leave a detailed chronicle of his experience. This account of the Orient provided the Europeans with a clear picture of the East’s geography and ethnic customs, and was the first Western record of porcelain, coal, gunpowder, paper money, and some Asian plants and exotic animals. His travel book inspired Christopher Columbus and many other travellers. There is substantial literature based on Polo’s writings; he also influenced European cartography, leading to the introduction of the Fra Mauro map.

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Margaret Mead (December 16, 1901 – November 15, 1978) was an American cultural anthropologist who featured frequently as an author and speaker in the mass media during the 1960s and 1970s. She earned her bachelor’s degree at Barnard College in New York City and her MA and PhD degrees from Columbia University. Mead served as President of the American Association for the Advancement of Science in 1975.Mead was a communicator of anthropology in modern American and Western culture and was often controversial as an academic. Her reports detailing the attitudes towards sex in South Pacific and Southeast Asian traditional cultures influenced the 1960s sexual revolution. She was a proponent of broadening sexual conventions within the context of Western cultural traditions.

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Margaret Hilda Thatcher, Baroness Thatcher, (née Roberts; 13 October 1925 – 8 April 2013) was a British stateswoman who served as Prime Minister of the United Kingdom from 1979 to 1990 and Leader of the Conservative Party from 1975 to 1990. She was the longest-serving British prime minister of the 20th century and the first woman to hold that office. A Soviet journalist dubbed her the “Iron Lady”, a nickname that became associated with her uncompromising politics and leadership style. As prime minister, she implemented policies that became known as Thatcherism.
Thatcher studied chemistry at Somerville College, Oxford, and worked briefly as a research chemist, before becoming a barrister. She was elected Member of Parliament for Finchley in 1959. Edward Heath appointed her Secretary of State for Education and Science in his 1970–1974 government. In 1975, she defeated Heath in the Conservative Party leadership election to become Leader of the Opposition, the first woman to lead a major political party in the United Kingdom. On becoming prime minister after winning the 1979 general election, Thatcher introduced a series of economic policies intended to reverse high inflation and Britain’s struggles in the wake of the Winter of Discontent and an oncoming recession. Her political philosophy and economic policies emphasised deregulation (particularly of the financial sector), the privatisation of state-owned companies, and reducing the power and influence of trade unions. Her popularity in her first years in office waned amid recession and rising unemployment, until victory in the 1982 Falklands War and the recovering economy brought a resurgence of support, resulting in her landslide re-election in 1983. She survived an assassination attempt by the Provisional IRA in the 1984 Brighton hotel bombing and achieved a political victory against the National Union of Mineworkers in the 1984–85 miners’ strike.
Thatcher was re-elected for a third term with another landslide in 1987, but her subsequent support for the Community Charge (“poll tax”) was widely unpopular, and her increasingly Eurosceptic views on the European Community were not shared by others in her cabinet. She resigned as prime minister and party leader in 1990, after a challenge was launched to her leadership. After retiring from the Commons in 1992, she was given a life peerage as Baroness Thatcher (of Kesteven in the County of Lincolnshire) which entitled her to sit in the House of Lords. In 2013, she died of a stroke at the Ritz Hotel, London, at the age of 87.
A polarising figure in British politics, Thatcher is nonetheless viewed favourably in historical rankings of British prime ministers. Her tenure constituted a realignment towards neoliberal policies in the United Kingdom, with debate over the complicated legacy attributed to Thatcherism persisting into the 21st century.

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Maria Gaetana Agnesi (UK: an-YAY-zee, US: ahn-, Italian: [maˈriːa ɡaeˈtaːna aɲˈɲɛːzi, -ɲeːz-]; 16 May 1718 – 9 January 1799) was an Italian mathematician, philosopher, theologian, and humanitarian. She was the first woman to write a mathematics handbook and the first woman appointed as a mathematics professor at a university.She is credited with writing the first book discussing both differential and integral calculus and was a member of the faculty at the University of Bologna, although she never served.
She devoted the last four decades of her life to studying theology (especially patristics) and to charitable work and serving the poor. She was a devout Catholic and wrote extensively on the marriage between intellectual pursuit and mystical contemplation, most notably in her essay Il cielo mistico (The Mystic Heaven). She saw the rational contemplation of God as a complement to prayer and contemplation of the life, death and resurrection of Jesus Christ.Maria Teresa Agnesi Pinottini, clavicembalist and composer, was her sister.

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Maria Mitchell (/məˈraɪə/; August 1, 1818 – June 28, 1889) was an American astronomer, librarian, naturalist, and educator. In 1847, she discovered a comet named 1847 VI (modern designation C/1847 T1) that was later known as “Miss Mitchell’s Comet” in her honor. She won a gold medal prize for her discovery, which was presented to her by King Christian VIII of Denmark in 1848. Mitchell was the first internationally known woman to work as both a professional astronomer and a professor of astronomy after accepting a position at Vassar College in 1865. She was also the first woman elected Fellow of the American Academy of Arts and Sciences and the American Association for the Advancement of Science.

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Marita Cheng (born 5 March 1989) is the founder of Robogals. She was named the 2012 Young Australian of the Year. She is the founder and current CEO of Aubot, a start-up robotics company. She co-founded Aipoly, an app to assist blind people to recognise objects using their mobile phones. She was named as one of the World’s Top 50 women in Technology by Forbes in 2018 and was recognized on the Forbes 30 Under 30 list in 2016.

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Martha Graham (May 11, 1894 – April 1, 1991) was an American modern dancer and choreographer. Her style, the Graham technique, reshaped American dance and is still taught worldwide.Graham danced and taught for over seventy years. She was the first dancer to perform at the White House, travel abroad as a cultural ambassador, and receive the highest civilian award of the US: the Presidential Medal of Freedom with Distinction. In her lifetime she received honors ranging from the Key to the City of Paris to Japan’s Imperial Order of the Precious Crown. She said, in the 1994 documentary The Dancer Revealed: “I have spent all my life with dance and being a dancer. It’s permitting life to use you in a very intense way. Sometimes it is not pleasant. Sometimes it is fearful. But nevertheless it is inevitable.” Founded in 1926 (the same year as Graham’s professional dance company), the Martha Graham School is the oldest school of dance in the United States. First located in a small studio within Carnegie Hall the school currently has two different studios in New York City.

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Martin Buber (Hebrew: מרטין בובר‎; German: Martin Buber; Yiddish: מארטין בובער‎; February 8, 1878 –
June 13, 1965) was an Austrian Jewish and Israeli philosopher best known for his philosophy of dialogue, a form of existentialism centered on the distinction between the I–Thou relationship and the I–It relationship. Born in Vienna, Buber came from a family of observant Jews, but broke with Jewish custom to pursue secular studies in philosophy. In 1902, he became the editor of the weekly Die Welt, the central organ of the Zionist movement, although he later withdrew from organizational work in Zionism. In 1923, Buber wrote his famous essay on existence, Ich und Du (later translated into English as I and Thou), and in 1925, he began translating the Hebrew Bible into the German language reflecting the patterns of the Hebrew language.
He was nominated for the Nobel Prize in Literature ten times, and Nobel Peace Prize seven times.

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Mary Baker Eddy (July 16, 1821 – December 3, 1910) was an American religious leader and author who founded The Church of Christ, Scientist, in New England in 1879. She also founded The Christian Science Monitor, a Pulitzer Prize-winning secular newspaper, in 1908 and three religious magazines: the Christian Science Sentinel, The Christian Science Journal, and The Herald of Christian Science. She wrote numerous books and articles, the most notable of which was Science and Health with Key to the Scriptures, which had sold over nine million copies as of 2001.Members of The First Church of Christ, Scientist consider Eddy the “discoverer” of Christian Science, and adherents are therefore known as Christian Scientists or students of Christian Science. The church is sometimes informally known as the Christian Science church.
Eddy was named one of the “100 Most Significant Americans of All Time” in 2014 by Smithsonian Magazine, and her book Science and Health with Key to the Scriptures was ranked as one of the “75 Books by Women Whose Words Have Changed the World” by the Women’s National Book Association.

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Mary Daly (October 16, 1928 – January 3, 2010) was an American radical feminist philosopher, academic, and theologian. Daly, who described herself as a “radical lesbian feminist”, taught at the Jesuit-run Boston College for 33 years. Daly retired in 1999, after violating university policy by refusing to allow male students in her advanced women’s studies classes. She allowed male students in her introductory class and privately tutored those who wanted to take advanced classes.

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Mary Douglas Leakey, FBA (née Nicol, 6 February 1913 – 9 December 1996) was a British paleoanthropologist who discovered the first fossilised Proconsul skull, an extinct ape which is now believed to be ancestral to humans. She also discovered the robust Zinjanthropus skull at Olduvai Gorge in Tanzania, eastern Africa. For much of her career she worked with her husband, Louis Leakey, at Olduvai Gorge, where they uncovered fossils of ancient hominines and the earliest hominins, as well as the stone tools produced by the latter group. Mary Leakey developed a system for classifying the stone tools found at Olduvai. She discovered the Laetoli footprints, and at the Laetoli site she discovered hominin fossils that were more than 3.75 million years old.
During her career, Leakey discovered fifteen new species of animal. She also brought about the naming of a new genus.
In 1972, after the death of her husband, Leakey became director of excavations at Olduvai. She maintained the Leakey family tradition of palaeoanthropology by training her son, Richard, in the field.

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Mary, Queen of Scots (8 December 1542 – 8 February 1587), also known as Mary Stuart or Mary I of Scotland, was Queen of Scotland from 14 December 1542 until her forced abdication in 1567.
Mary, the only surviving legitimate child of King James V of Scotland, was six days old when her father died and she acceded to the throne. She spent most of her childhood in France while Scotland was ruled by regents, and in 1558, she married the Dauphin of France, Francis. Mary was queen consort of France from his accession in 1559 until his death in December 1560. Widowed, Mary returned to Scotland, arriving in Leith on 19 August 1561. Four years later, she married her half-cousin Henry Stuart, Lord Darnley, and in June 1566 they had a son, James.
In February 1567, Darnley’s residence was destroyed by an explosion, and he was found murdered in the garden. James Hepburn, 4th Earl of Bothwell, was generally believed to have orchestrated Darnley’s death, but he was acquitted of the charge in April 1567, and the following month he married Mary. Following an uprising against the couple, Mary was imprisoned in Loch Leven Castle. On 24 July 1567, she was forced to abdicate in favour of her one-year-old son. After an unsuccessful attempt to regain the throne, she fled southward seeking the protection of her first cousin once removed Queen Elizabeth I of England.
Mary had once claimed Elizabeth’s throne as her own and was considered the legitimate sovereign of England by many English Catholics, including participants in a rebellion known as the Rising of the North. Perceiving Mary as a threat, Elizabeth had her confined in various castles and manor houses in the interior of England. After eighteen and a half years in custody, Mary was found guilty of plotting to assassinate Elizabeth in 1586, and was beheaded the following year at Fotheringhay Castle. Mary’s life, marriages, lineage, alleged involvement in plots against Elizabeth, and subsequent execution established her as a divisive and highly romanticised historical character, depicted in culture for centuries.

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Maryam Mirzakhani (Persian: مریم میرزاخانی‎, pronounced [mæɾˈjæm miːɾzɑːxɑːˈniː]; 12 May 1977 – 14 July 2017) was an Iranian mathematician and a professor of mathematics at Stanford University. Her research topics included Teichmüller theory, hyperbolic geometry, ergodic theory, and symplectic geometry. In 2005, as a result of her research, she was honored in Popular Science’s fourth annual “Brilliant 10” in which she was acknowledged as one of the top 10 young minds who have pushed their fields in innovative directions.On 13 August 2014, Mirzakhani was honored with the Fields Medal, the most prestigious award in mathematics. Thus, she became both the first, and to date, the only woman and the first Iranian to be honored with the award. The award committee cited her work in “the dynamics and geometry of Riemann surfaces and their moduli spaces”.On 14 July 2017, Mirzakhani died of breast cancer at the age of 40.

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Muḥammad Ilyās ibn Muḥammad Ismā‘īl Kāndhlawī Dihlawī (1884 – 13 July 1944) was an Indian Islamic scholar who founded the Tablighi Jamaat Islamic revivalist movement, in 1925, in Mewat province.

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Max Born (German: [ˈmaks ˈbɔɐ̯n]; 11 December 1882 – 5 January 1970) was a German physicist and mathematician who was instrumental in the development of quantum mechanics. He also made contributions to solid-state physics and optics and supervised the work of a number of notable physicists in the 1920s and 1930s. Born won the 1954 Nobel Prize in Physics for his “fundamental research in quantum mechanics, especially in the statistical interpretation of the wave function”.Born entered the University of Göttingen in 1904, where he met the three renowned mathematicians Felix Klein, David Hilbert, and Hermann Minkowski. He wrote his Ph.D. thesis on the subject of “Stability of Elastica in a Plane and Space”, winning the University’s Philosophy Faculty Prize. In 1905, he began researching special relativity with Minkowski, and subsequently wrote his habilitation thesis on the Thomson model of the atom. A chance meeting with Fritz Haber in Berlin in 1918 led to discussion of how an ionic compound is formed when a metal reacts with a halogen, which is today known as the Born–Haber cycle.
In World War I, after originally being placed as a radio operator, he was moved to research duties regarding sound ranging due to his specialist knowledge. In 1921, Born returned to Göttingen, arranging another chair for his long-time friend and colleague James Franck. Under Born, Göttingen became one of the world’s foremost centres for physics. In 1925, Born and Werner Heisenberg formulated the matrix mechanics representation of quantum mechanics. The following year, he formulated the now-standard interpretation of the probability density function for ψ*ψ in the Schrödinger equation, for which he was awarded the Nobel Prize in 1954. His influence extended far beyond his own research. Max Delbrück, Siegfried Flügge, Friedrich Hund, Pascual Jordan, Maria Goeppert-Mayer, Lothar Wolfgang Nordheim, Robert Oppenheimer, and Victor Weisskopf all received their Ph.D. degrees under Born at Göttingen, and his assistants included Enrico Fermi, Werner Heisenberg, Gerhard Herzberg, Friedrich Hund, Pascual Jordan, Wolfgang Pauli, Léon Rosenfeld, Edward Teller, and Eugene Wigner.
In January 1933, the Nazi Party came to power in Germany, and Born, who was Jewish, was suspended from his professorship at the University of Göttingen. He emigrated to the United Kingdom, where he took a job at St John’s College, Cambridge, and wrote a popular science book, The Restless Universe, as well as Atomic Physics, which soon became a standard textbook. In October 1936, he became the Tait Professor of Natural Philosophy at the University of Edinburgh, where, working with German-born assistants E. Walter Kellermann and Klaus Fuchs, he continued his research into physics. Born became a naturalised British subject on 31 August 1939, one day before World War II broke out in Europe. He remained in Edinburgh until 1952. He retired to Bad Pyrmont, in West Germany, and died in hospital in Göttingen on 5 January 1970.

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Maximilien François Marie Isidore de Robespierre (French: [mak.si.mi.ljɛ̃ fʁɑ̃.swa ma.ʁi i.zi.dɔʁ də ʁɔ.bɛs.pjɛʁ]; 6 May 1758 – 28 July 1794) was a French lawyer and statesman who was one of the best-known and most influential figures of the French Revolution. As a member of the Constituent Assembly and the Jacobin Club, he campaigned for universal manhood suffrage and the abolition both of celibacy for the clergy, and slavery. In 1791, Robespierre became an outspoken advocate for male citizens without a political voice, for their unrestricted admission to the National Guard, to public offices, and for the right to carry arms in self defence. Robespierre played an important part in the agitation which brought about the fall of the French monarchy on 10 August 1792 and the summoning of a National Convention. His goal was to create a one and indivisible France, equality before the law, to abolish prerogatives and to defend the principles of direct democracy.As one of the leading members of the insurrectionary Paris Commune, Robespierre was elected as a deputy to the French Convention in early September 1792 but was soon criticised for trying to establish either a triumvirate or a dictatorship. In April 1793, Robespierre urged the creation of a sans-culotte army to enforce revolutionary laws and sweep away any counter-revolutionary conspirator, leading to the armed Insurrection of 31 May – 2 June 1793. Because of his health Robespierre announced he was to resign but in July he was appointed as a member of the powerful Committee of Public Safety, and reorganized the Revolutionary Tribunal. In October, after Robespierre proposed in vain to close the convention, the Committee declared itself a revolutionary government. Those who were not actively defending France became his enemy. He exerted his influence to suppress the republican Girondins to the right, the Hébertists to the left and then the Dantonists in the centre.
Robespierre is best known for his role as a member of the Committee of Public Safety as he personally signed 542 arrests, especially in spring and summer 1794. The question of just how personally responsible Robespierre was for the law of 22 Prairial remains controversial. Coming into effect at the height of the Reign of Terror, the law removed the few procedural guarantees still afforded to the accused, vastly expanded the power of the tribunal, and ultimately resulted in the number of executions in France rising dramatically. Although Robespierre always had like-minded allies, the politically motivated bloodshed that he incited disillusioned many. Moreover, the deist Cult of the Supreme Being that he had founded and zealously promoted generated suspicion in the eyes of both anticlericals and other parties, who felt he was developing grandiose delusions about his place in French society.Robespierre was eventually undone by his obsession with the vision of an ideal republic and his indifference to the human costs of installing it, turning both members of the Convention and the French public against him. The Terror ended when he and his allies were arrested in the Paris town hall on 9 Thermidor. Robespierre was wounded in his jaw, but it is not known if it was self-inflicted or the outcome of the skirmish. About 90 people, including Robespierre, were executed in the days after, events that initiated a period known as the Thermidorian Reaction.A divisive figure during his lifetime, Robespierre remains controversial to this day. His legacy and reputation continue to be subject to ongoing academic and popular debate. British historian George Rudé estimates that Robespierre made some 900 speeches, in which he often expressed his political and philosophical views forcefully. To some, Robespierre was the Revolution’s principal ideologist and embodied the country’s first democratic experience, marked by the often revised and never implemented French Constitution of 1793. To others, he was the incarnation of the Terror itself, and provided in his speeches a justification of civilian armament.

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Maya Angelou ( (listen) AN-jə-loh; born Marguerite Annie Johnson; April 4, 1928 – May 28, 2014) was an American poet, memoirist, and civil rights activist. She published seven autobiographies, three books of essays, several books of poetry, and is credited with a list of plays, movies, and television shows spanning over 50 years. She received dozens of awards and more than 50 honorary degrees. Angelou is best known for her series of seven autobiographies, which focus on her childhood and early adult experiences. The first, I Know Why the Caged Bird Sings (1969), tells of her life up to the age of 17 and brought her international recognition and acclaim.
She became a poet and writer after a string of odd jobs during her young adulthood. These included fry cook, sex worker, nightclub performer, Porgy and Bess cast member, Southern Christian Leadership Conference coordinator, and correspondent in Egypt and Ghana during the decolonization of Africa. She was also an actress, writer, director, and producer of plays, movies, and public television programs. In 1982, she was named the first Reynolds Professor of American Studies at Wake Forest University in Winston-Salem, North Carolina. She was active in the Civil Rights Movement and worked with Martin Luther King Jr. and Malcolm X. Beginning in the 1990s, she made approximately 80 appearances a year on the lecture circuit, something she continued into her eighties. In 1993, Angelou recited her poem “On the Pulse of Morning” (1993) at the first inauguration of Bill Clinton, making her the first poet to make an inaugural recitation since Robert Frost at the inauguration of John F. Kennedy in 1961.
With the publication of I Know Why the Caged Bird Sings, Angelou publicly discussed aspects of her personal life. She was respected as a spokesperson for Black people and women, and her works have been considered a defense of Black culture. Her works are widely used in schools and universities worldwide, although attempts have been made to ban her books from some US libraries. Angelou’s most celebrated works have been labeled as autobiographical fiction, but many critics consider them to be autobiographies. She made a deliberate attempt to challenge the common structure of the autobiography by critiquing, changing and expanding the genre. Her books center on themes including racism, identity, family and travel.

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Mayer Amschel Rothschild (23 February 1744 – 19 September 1812; also spelled Anschel), was a German-Jewish banker and the founder of the Rothschild banking dynasty. Referred to as a “founding father of international finance,” Rothschild was ranked seventh on the Forbes magazine list of “The Twenty Most Influential Businessmen of All Time” in 2005.

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Meher Baba (born Merwan Sheriar Irani; 25 February 1894 – 31 January 1969), an Indian spiritual master, claimed to be the Avatar, or God in human form, of the age. A major spiritual figure of the 20th century, he had a following of hundreds of thousands of people, mostly in India, but with a significant number in the United States, Europe and Australia.Meher Baba’s map of consciousness has been described as “a unique amalgam of Sufi, Vedic and Yogic terminology”. He taught that the goal of all beings was to gain consciousness of their own divinity, and to realise the absolute oneness of God.At the age of 19 Meher Baba began a seven-year period of spiritual transformation, during which he had encounters with Hazrat Babajan, Upasni Maharaj, Sai Baba of Shirdi, Tajuddin Baba and Narayan Maharaj. In 1925 he began a 44-year period of observed silence, during which he communicated first using an alphabet-board, and by 1954, entirely through hand gestures using an interpreter. He died in 1969, and was buried in Meherabad. His tomb has become a place of pilgrimage for his followers, often known as “Baba lovers”.

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Michelangelo di Lodovico Buonarroti Simoni (Italian: [mikeˈlandʒelo di lodoˈviːko ˌbwɔnarˈrɔːti siˈmoːni]; 6 March 1475 – 18 February 1564), known simply as Michelangelo (English: ), was an Italian sculptor, painter, architect and poet of the High Renaissance born in the Republic of Florence, who exerted an unparalleled influence on the development of Western art. His artistic versatility was of such a high order that he is often considered a contender for the title of the archetypal Renaissance man, along with his rival and elder contemporary, Leonardo da Vinci. Several scholars have described Michelangelo as the greatest artist of his age and even as the greatest artist of all time.A number of Michelangelo’s works of painting, sculpture, and architecture rank among the most famous in existence. His output in these fields was prodigious; given the sheer volume of surviving correspondence, sketches, and reminiscences, he is the best-documented artist of the 16th century. He sculpted two of his best-known works, the Pietà and David, before the age of thirty. Despite holding a low opinion of painting, he also created two of the most influential frescoes in the history of Western art: the scenes from Genesis on the ceiling of the Sistine Chapel in Rome, and The Last Judgment on its altar wall. His design of the Laurentian Library pioneered Mannerist architecture. At the age of 74, he succeeded Antonio da Sangallo the Younger as the architect of St. Peter’s Basilica. He transformed the plan so that the western end was finished to his design, as was the dome, with some modification, after his death.
Michelangelo was the first Western artist whose biography was published while he was alive. In fact, two biographies were published during his lifetime. One of them, by Giorgio Vasari, proposed that Michelangelo’s work transcended that of any artist living or dead, and was “supreme in not one art alone but in all three.”In his lifetime, Michelangelo was often called Il Divino (“the divine one”). His contemporaries often admired his terribilità—his ability to instill a sense of awe in viewers of his art. Attempts by subsequent artists to imitate Michelangelo’s impassioned, highly personal style resulted in Mannerism, the next major movement in Western art after the High Renaissance.

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Muhammad ibn Abdullah (Arabic: مُحَمَّد بنِ عَبْد ٱللَّٰه‎, romanized: Muḥammad ibn ʿAbd Allāh Classical Arabic pronunciation: [muˈħammad]; c. 570 CE – 8 June 632 CE) was an Arab religious, social, and political leader and the founder of the world religion of Islam. According to Islamic doctrine, he was a prophet, divinely inspired to preach and confirm the monotheistic teachings of Adam, Abraham, Moses, Jesus, and other prophets. He is believed to be the final prophet of God in all the main branches of Islam, though some modern denominations diverge from this belief. Muhammad united Arabia into a single Muslim polity, with the Quran and his teachings and practices, forming the basis of Islamic religious belief.

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Muḥammad ibn Mūsā al-Khwārizmī (Persian: محمد بن موسی خوارزمی‎, romanized: Moḥammad ben Musā Khwārazmi; c. 780 – c. 850), or al-Khwarizmi and formerly Latinized as Algorithmi, was a Persian polymath who produced vastly influential works in mathematics, astronomy, and geography. Around 820 CE he was appointed as the astronomer and head of the library of the House of Wisdom in Baghdad.: 14 Al-Khwarizmi’s popularizing treatise on algebra (The Compendious Book on Calculation by Completion and Balancing, c. 813–833 CE: 171 ) presented the first systematic solution of linear and quadratic equations. One of his principal achievements in algebra was his demonstration of how to solve quadratic equations by completing the square, for which he provided geometric justifications.: 14  Because he was the first to treat algebra as an independent discipline and introduced the methods of “reduction” and “balancing” (the transposition of subtracted terms to the other side of an equation, that is, the cancellation of like terms on opposite sides of the equation), he has been described as the father or founder of algebra. The term algebra itself comes from the title of his book (the word al-jabr meaning “completion” or “rejoining”). His name gave rise to the terms algorism and algorithm, as well as Spanish and Portuguese terms algoritmo, and Spanish guarismo and Portuguese algarismo meaning “digit”.
In the 12th century, Latin translations of his textbook on arithmetic (Algorithmo de Numero Indorum) which codified the various Indian numerals, introduced the decimal positional number system to the Western world. The Compendious Book on Calculation by Completion and Balancing, translated into Latin by Robert of Chester in 1145, was used until the sixteenth century as the principal mathematical text-book of European universities.In addition to his best-known works, he revised Ptolemy’s Geography, listing the longitudes and latitudes of various cities and localities.: 9  He further produced a set of astronomical tables and wrote about calendaric works, as well as the astrolabe and the sundial. He also made important contributions to trigonometry, producing accurate sine and cosine tables, and the first table of tangents.

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Moses (), also known as Moshe Rabbenu (Hebrew: מֹשֶׁה רַבֵּנוּ‎ lit. “Moshe our Teacher”), is considered the most important prophet in Judaism, and an important prophet in Christianity, Islam, the Baháʼí Faith, and a number of other Abrahamic religions. In the biblical and quranic narrative, he was the leader of the Israelites and lawgiver to whom the authorship, or “acquisition from heaven”, of the Torah (the first five books of the Bible) is attributed.
According to the Book of Exodus, Moses was born in a time when his people, the Israelites, an enslaved minority, were increasing in population and, as a result, the Egyptian Pharaoh worried that they might ally themselves with Egypt’s enemies. Moses’s Hebrew mother, Jochebed, secretly hid him when the Pharaoh ordered all newborn Hebrew boys to be killed in order to reduce the population of the Israelites. Through the Pharaoh’s daughter (identified as Queen Bithia in the Midrash), the child was adopted as a foundling from the Nile river and grew up with the Egyptian royal family. After killing an Egyptian slave-master who was beating a Hebrew, Moses fled across the Red Sea to Midian, where he encountered the Angel of the Lord, speaking to him from within a burning bush on Mount Horeb, which he regarded as the Mountain of God.
God sent Moses back to Egypt to demand the release of the Israelites from slavery. Moses said that he could not speak eloquently, so God allowed Aaron, his elder brother, to become his spokesperson. After the Ten Plagues, Moses led the Exodus of the Israelites out of Egypt and across the Red Sea, after which they based themselves at biblical Mount Sinai, where Moses received the Ten Commandments. After 40 years of wandering in the desert, Moses died within sight of the Promised Land on Mount Nebo.
Generally Moses is seen as a legendary figure, whilst retaining the possibility that Moses or a Moses-like figure existed in the 13th century BCE. Rabbinical Judaism calculated a lifespan of Moses corresponding to 1391–1271 BCE; Jerome suggested 1592 BCE, and James Ussher suggested 1571 BCE as his birth year.

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Mary G. Harris Jones (1837 (baptized) – 30 November 1930), known as Mother Jones from 1897 onwards, was an Irish-born American schoolteacher and dressmaker who became a prominent union organizer, community organizer, and activist. She helped coordinate major strikes and co-founded the Industrial Workers of the World.
After Jones’ husband and four children all died of yellow fever in 1867, and her dress shop was destroyed in the Great Chicago Fire of 1871, she became an organizer for the Knights of Labor and the United Mine Workers union. In 1902, she was called “the most dangerous woman in America” for her success in organizing mine workers and their families against the mine owners. In 1903, to protest the lax enforcement of the child labor laws in the Pennsylvania mines and silk mills, she organized a children’s march from Philadelphia to the home of President Theodore Roosevelt in New York.

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Mircea Eliade (Romanian: [ˈmirt͡ʃe̯a eliˈade]; March 13 [O.S. February 28] 1907 – April 22, 1986) was a Romanian historian of religion, fiction writer, philosopher, and professor at the University of Chicago. He was a leading interpreter of religious experience, who established paradigms in religious studies that persist to this day. His theory that hierophanies form the basis of religion, splitting the human experience of reality into sacred and profane space and time, has proved influential. One of his most instrumental contributions to religious studies was his theory of eternal return, which holds that myths and rituals do not simply commemorate hierophanies, but, at least to the minds of the religious, actually participate in them.His literary works belong to the fantastic and autobiographical genres. The best known are the novels Maitreyi (‘La Nuit Bengali’ or ‘Bengal Nights’), Noaptea de Sânziene (‘The Forbidden Forest’), Isabel și apele diavolului (‘Isabel and the Devil’s Waters’), and Romanul Adolescentului Miop (‘Novel of the Nearsighted Adolescent’); the novellas Domnișoara Christina (‘Miss Christina’) and Tinerețe fără tinerețe (‘Youth Without Youth’); and the short stories Secretul doctorului Honigberger (‘The Secret of Dr. Honigberger’) and La Țigănci (‘With the Gypsy Girls’).
Early in his life, Eliade was a journalist and essayist, a disciple of Romanian far-right philosopher and journalist Nae Ionescu, and a member of the literary society Criterion. In the 1940s, he served as cultural attaché to the United Kingdom and Portugal. Several times during the late 1930s, Eliade publicly expressed his support for the Iron Guard, a fascist and antisemitic political organization. His political involvement at the time, as well as his other far right connections, were frequently criticised after World War II (including by himself).
Noted for his vast erudition, Eliade had fluent command of five languages (Romanian, French, German, Italian, and English) and a reading knowledge of three others (Hebrew, Persian, and Sanskrit). He was elected a posthumous member of the Romanian Academy.

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Murasaki Shikibu (紫 式部, English: “Lady Murasaki”; c. 973 or 978 – c. 1014 or 1031) was a Japanese novelist, poet and lady-in-waiting at the Imperial court in the Heian period. She is best known as the author of The Tale of Genji, widely considered to be one of the world’s first novels, written in Japanese between about 1000 and 1012. Murasaki Shikibu is a descriptive name; her personal name is unknown, but she may have been Fujiwara no Kaoriko (藤原 香子), who was mentioned in a 1007 court diary as an imperial lady-in-waiting.
Heian women were traditionally excluded from learning Chinese, the written language of government, but Murasaki, raised in her erudite father’s household, showed a precocious aptitude for the Chinese classics and managed to acquire fluency. She married in her mid-to late twenties and gave birth to a daughter before her husband died, two years after they were married. It is uncertain when she began to write The Tale of Genji, but it was probably while she was married or shortly after she was widowed. In about 1005, she was invited to serve as a lady-in-waiting to Empress Shōshi at the Imperial court by Fujiwara no Michinaga, probably because of her reputation as a writer. She continued to write during her service, adding scenes from court life to her work. After five or six years, she left court and retired with Shōshi to the Lake Biwa region. Scholars differ on the year of her death; although most agree on 1014, others have suggested she was alive in 1031.
Murasaki wrote The Diary of Lady Murasaki, a volume of poetry, and The Tale of Genji. Within a decade of its completion, Genji was distributed throughout the provinces; within a century it was recognized as a classic of Japanese literature and had become a subject of scholarly criticism. Early in the 20th century her work was translated; a six-volume English translation was completed in 1933. Scholars continue to recognize the importance of her work, which reflects Heian court society at its peak. Since the 13th century her works have been illustrated by Japanese artists and well-known ukiyo-e woodblock masters.

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Murray Gell-Mann (; September 15, 1929 – May 24, 2019) was an American physicist who received the 1969 Nobel Prize in Physics for his work on the theory of elementary particles. He was the Robert Andrews Millikan Professor of Theoretical Physics Emeritus at the California Institute of Technology, a distinguished fellow and one of the co-founders of the Santa Fe Institute, a professor of physics at the University of New Mexico, and the Presidential Professor of Physics and Medicine at the University of Southern California.Gell-Mann spent several periods at CERN, a nuclear research facility in Switzerland, among others as a John Simon Guggenheim Memorial Foundation fellow in 1972.

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Norman Joseph Woodland (September 6, 1921 – December 9, 2012) was an American inventor, best known as one of the inventors of the barcode, for which he received a patent in October 1952. Later, employed by IBM, he developed the format which became the ubiquitous Universal Product Code (UPC) of product labeling and check-out stands.

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Sir Nicholas George Winton (born Wertheim; 19 May 1909 – 1 July 2015) was a British banker and humanitarian who established an organisation to rescue children at risk from Nazi Germany. Born to German-Jewish parents who had emigrated to Britain at the beginning of the 20th century, Winton supervised the rescue of 669 children, most of them Jewish, from Czechoslovakia on the eve of World War II. Winton found homes for the children and arranged for their safe passage to Britain.
This operation was later known as the Czech Kindertransport (German for “children’s transport”).
His work went unnoticed by the world for nearly 50 years, until 1988 when he was invited to the BBC television programme That’s Life!, where he was reunited with several of the children he had saved. The British press celebrated him and dubbed him the “British Schindler”. In 2003, Winton was knighted by Queen Elizabeth II for “services to humanity, in saving Jewish children from Nazi Germany occupied Czechoslovakia”. On 28 October 2014, he was awarded the highest honour of the Czech Republic, the Order of the White Lion (1st class), by Czech President Miloš Zeman. He died in his sleep, in 2015, at the age of 106.

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Nicolas Appert (17 November 1749 – 1 June 1841) was the French inventor of airtight food preservation. Appert, known as the “father of canning”, was a confectioner. Appert described his invention as a way “of conserving all kinds of food substances in containers”.

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Joseph Nicéphore Niépce (French: [nisefɔʁ njɛps]; 7 March 1765 – 5 July 1833), commonly known or referred to simply as Nicéphore Niépce, was a French inventor, usually credited as the inventor of photography and a pioneer in that field. Niépce developed heliography, a technique he used to create the world’s oldest surviving product of a photographic process: a print made from a photoengraved printing plate in 1825. In 1826 or 1827, he used a primitive camera to produce the oldest surviving photograph of a real-world scene. Among Niépce’s other inventions was the Pyréolophore, the world’s first internal combustion engine, which he conceived, created, and developed with his older brother Claude Niépce.

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Niels Henrik Abel ( AH-bəl, Norwegian: [ˈɑ̀ːbl̩]; 5 August 1802 – 6 April 1829) was a Norwegian mathematician who made pioneering contributions in a variety of fields. His most famous single result is the first complete proof demonstrating the impossibility of solving the general quintic equation in radicals. This question was one of the outstanding open problems of his day, and had been unresolved for over 250 years. He was also an innovator in the field of elliptic functions, discoverer of Abelian functions. He made his discoveries while living in poverty and died at the age of 26 from tuberculosis.
Most of his work was done in six or seven years of his working life. Regarding Abel, the French mathematician Charles Hermite said: “Abel has left mathematicians enough to keep them busy for five hundred years.” Another French mathematician, Adrien-Marie Legendre, said: “quelle tête celle du jeune Norvégien!” (“what a head the young Norwegian has!”).The Abel Prize in mathematics, originally proposed in 1899 to complement the Nobel Prizes, is named in his honour.

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Nzingha Mbande (1583–1663) was Queen of the Ambundu Kingdoms of Ndongo (1624–1663) and Matamba (1631–1663), located in present-day northern Angola. Born into the ruling family of Ndongo, Nzinga received military and political training as a child, and she demonstrated an aptitude for defusing political crises as an ambassador to the Portuguese Empire. She later assumed power over the kingdoms after the death of her father and brother, who both served as kings. She ruled during a period of rapid growth in the African slave trade and encroachment of the Portuguese Empire into South West Africa, in attempts to control the slave trade. Nzinga fought for the Independence and stature of her kingdoms against the Portuguese in a reign that lasted 37 years.
In the years following her death, Nzinga has become a historical figure in Angola and in the wider Atlantic Creole culture. She is remembered for her intelligence, her political and diplomatic wisdom, and her brilliant military tactics.

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Thích Nhất Hạnh (; Vietnamese: [tʰǐk̟ ɲə̌t hâjŋ̟ˀ] (listen); born as Nguyễn Xuân Bảo on October 11, 1926) is a Vietnamese Thiền Buddhist monk, peace activist, and founder of the Plum Village Tradition, historically recognized as the main inspiration for engaged Buddhism.Nhất Hạnh has spent most of his later life at the Plum Village Monastery in southwest France near Thénac, travelling internationally to give retreats and talks. He coined the term “Engaged Buddhism” in his book Vietnam: Lotus in a Sea of Fire. After a 39-year exile, he was permitted to visit Vietnam in 2005. In November 2018, he returned to Vietnam to spend his remaining days at his “root temple”, Từ Hiếu Temple, near Huế.Nhất Hạnh is active in the peace movement and deep ecology, promoting nonviolent solutions to conflict and raising awareness of the interconnectedness of all elements in nature. He is the founder of the largest monastic order in the West. He also refrains from consuming animal products, as a means of nonviolence toward animals.

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Thomas Berry, CP, PhD (November 9, 1914 – June 1, 2009) was a cultural historian and scholar of the world’s religions, especially Asian traditions. Later as he studied Earth history and evolution, he called himself a “geologian.” He rejected the label “theologian” or “ecotheologian” as too narrow and not descriptive of his cultural studies in history of religions. He was drawn early on to respond to the growing ecological and climate crisis and proposed the need for a “New Story” of evolution in 1978. In this essay he suggested that a deep understanding of the history and functioning of the evolving universe is a necessary inspiration and guide for our own effective functioning as individuals and as a species.
Berry believed that humanity, after generations spent in despoiling the planet, is poised to embrace a new role as a vital part of a larger, interdependent Earth community, consisting of a “communion of subjects not a collection of objects.” He felt that we were at a critical turning point, moving out of the Cenozoic era and entering into a new evolutionary phase, which would either be an Ecozoic Era, characterized by mutually-enhancing human-Earth relations, or a Techozoic Era, where we dominate and exploit the planet via our technological mastery.
Berry said the transformation of humanity’s priorities will not come easily. It requires what he called “the great work” — the title of one of his books — in four institutional realms: the political and legal order; the economic and industrial world; education; and religion.

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Om Prakash Gurjar is an Indian children’s rights activist and recipient of the 2006 International Children’s Peace Prize. He was born in Rajasthan, India and was a victim of illegal child labor. He is known for his fight to keep public schools in India free and advocating for birth certificate registration for children to protect their rights. In addition, he and two friends founded the organization, Paatshala, which facilitates evening classes in reading, writing, and math for children.

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Oprah Gail Winfrey (born Orpah Gail Winfrey; January 29, 1954) is an American talk show host, television producer, actress, author, and philanthropist. She is best known for her talk show, The Oprah Winfrey Show, broadcast from Chicago, which was the highest-rated television program of its kind in history and ran in national syndication for 25 years, from 1986 to 2011. Dubbed the “Queen of All Media,” she was the richest African American of the 20th century was once the world’s only Black billionaire and the greatest Black philanthropist in U.S. history. By 2007, she was sometimes ranked as the most influential woman in the world.Winfrey was born into poverty in rural Mississippi to a single teenage mother and later raised in inner-city Milwaukee. She has stated that she was molested during her childhood and early teens and became pregnant at 14; her son was born prematurely and died in infancy. Winfrey was then sent to live with the man she calls her father, Vernon Winfrey, a barber in Nashville, Tennessee, and landed a job in radio while still in high school. By 19, she was a co-anchor for the local evening news. Winfrey’s often emotional, extemporaneous delivery eventually led to her transfer to the daytime talk show arena, and after boosting a third-rated local Chicago talk show to first place, she launched her own production company.
By the mid-1990s, Winfrey had reinvented her show with a focus on literature, self-improvement, mindfulness, and spirituality. Though she has been criticized for unleashing a confession culture, promoting controversial self-help ideas, and having an emotion-centered approach, she has also been praised for overcoming adversity to become a benefactor to others. Winfrey had also emerged as a political force in the 2008 presidential race, with her endorsement of Barack Obama estimated to have been worth about one million votes during the 2008 Democratic primaries. In 2013, Winfrey was awarded the Presidential Medal of Freedom by President Obama and received honorary doctorate degrees from Duke and Harvard. In 2008, she formed her own network, the Oprah Winfrey Network (OWN).
Credited with creating a more intimate, confessional form of media communication, Winfrey popularized and revolutionized the tabloid talk show genre pioneered by Phil Donahue. In 1994, she was inducted into the National Women’s Hall of Fame. Winfrey has won many accolades throughout her career which includes 18 Daytime Emmy Awards, including the Lifetime Achievement Award and the Chairman’s Award, two Primetime Emmy Awards, including the Bob Hope Humanitarian Award, a Tony Award, a Peabody Award and the Jean Hersholt Humanitarian Award, awarded by the Academy Awards and two additional Academy Award nominations. Winfey was elected as a member of the American Academy of Arts and Sciences in 2021.

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Thomas Keating, O.C.S.O. (March 7, 1923 – October 25, 2018) was an American Catholic monk and priest of the Order of Cistercians of the Strict Observance (also known as Trappists). Keating was known as one of the principal developers of Centering Prayer, a contemporary method of contemplative prayer that emerged from St. Joseph’s Abbey, Spencer, Massachusetts.

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Thomas Merton (January 31, 1915 – December 10, 1968) was an American Trappist monk, writer, theologian, mystic, poet, social activist, and scholar of comparative religion. On May 26, 1949, he was ordained to the priesthood and given the name “Father Louis”. He was a member of the Abbey of Our Lady of Gethsemani, near Bardstown, Kentucky, living there from 1941 to his death.
Merton wrote more than 50 books in a period of 27 years, mostly on spirituality, social justice and a quiet pacifism, as well as scores of essays and reviews. Among Merton’s most enduring works is his bestselling autobiography The Seven Storey Mountain (1948). His account of his spiritual journey inspired scores of World War II veterans, students, and teenagers to explore offerings of monasteries across the US. It is on National Review’s list of the 100 best non-fiction books of the century.Merton became a keen proponent of interfaith understanding, exploring Eastern religions through his study of mystic practice. He is particularly known for having pioneered dialogue with prominent Asian spiritual figures, including the Dalai Lama; Japanese writer D. T. Suzuki; Thai Buddhist monk Buddhadasa, and Vietnamese monk Thich Nhat Hanh. He traveled extensively in the course of meeting with them and attending international conferences on religion. In addition, he wrote books on Zen Buddhism, Confucianism, and Taoism, and how Christianity related to them. This was highly unusual at the time in the United States, particularly within the religious orders.

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Osama bin Mohammed bin Awad bin Laden (March 10, 1957 – May 2, 2011), also transliterated as Usama bin Ladin, was a founder of the pan-Islamic militant organization al-Qaeda. The group is designated as a terrorist group by the United Nations Security Council, the North Atlantic Treaty Organization (NATO), the European Union, and various countries. Under bin Laden’s leadership, al-Qaeda was responsible for, in addition to the September 11 attacks in the United States, many other mass-casualty attacks worldwide.He was a Saudi Arabian citizen until 1994 and a member of the wealthy bin Laden family. Bin Laden’s father was Mohammed bin Awad bin Laden, a Saudi millionaire from Hadhramaut, Yemen, and the founder of the construction company, Saudi Binladin Group. His mother, Alia Ghanem, was from a secular middle-class family in Latakia, Syria. He was born in Saudi Arabia and studied at university in the country until 1979, when he joined Mujahideen forces in Pakistan fighting against the Soviet Union in Afghanistan. He helped to fund the Mujahideen by funneling arms, money, and fighters from the Arab world into Afghanistan, and gained popularity among many Arabs. In 1988, he formed al-Qaeda. He was banished from Saudi Arabia in 1992, and shifted his base to Sudan, until US pressure forced him to leave Sudan in 1996. After establishing a new base in Afghanistan, he declared a war against the United States, initiating a series of bombings and related attacks. Bin Laden was on the American Federal Bureau of Investigation’s (FBI) lists of Ten Most Wanted Fugitives and Most Wanted Terrorists for his involvement in the 1998 US embassy bombings.Bin Laden is most well known for his role in masterminding the September 11 attacks, which resulted in the deaths of nearly 3,000 people and prompted the United States, on the orders of President George W. Bush, to initiate the “War on Terror” and the subsequent War in Afghanistan. He subsequently became the subject of a decade-long international manhunt. From 2001 to 2011, bin Laden was a major target of the United States, as the FBI offered a $25 million bounty in their search for him. On May 2, 2011, bin Laden was shot and killed by US Navy SEALs inside a private residential compound in Abbottabad, Pakistan, where he lived with a local family from Waziristan. The covert operation was conducted by members of the United States Naval Special Warfare Development Group (SEAL Team Six) and Central Intelligence Agency SAD/SOG operators on the orders of President Barack Obama.

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Óscar Arnulfo Romero y Galdámez (15 August 1917 – 24 March 1980) was a prelate of the Catholic Church in El Salvador. He served as auxiliary bishop of the archdiocese of San Salvador, as bishop of Santiago de María, and finally as the fourth archbishop of San Salvador. As archbishop, Romero spoke out against social injustice and violence amid the escalating conflict between the military government and left-wing insurgents that led to the Salvadoran Civil War. In 1980, Romero was shot by an assassin while celebrating Mass. Though no one was ever convicted for the crime, investigations by the UN-created Truth Commission for El Salvador concluded that Major Roberto D’Aubuisson, founder of the right-wing ARENA political party, had ordered the killing.In 1997, Pope John Paul II bestowed upon Romero the title of Servant of God, and a cause for his beatification was opened by the church. The cause stalled, but was reopened by Pope Benedict XVI in 2012. Romero was declared a martyr by Pope Francis on 3 February 2015, paving the way for his beatification on 23 May 2015. During Romero’s beatification, Pope Francis declared that his “ministry was distinguished by his particular attention to the most poor and marginalized.” Pope Francis canonized Romero as a saint on 14 October 2018.
Seen as a social conservative at the time of his appointment as archbishop in 1977, Romero was deeply affected by the murder of his friend and fellow priest Rutilio Grande and thereafter became an outspoken critic of the military government of El Salvador. Hailed by supporters of liberation theology, Romero, according to his biographer, “was not interested in liberation theology” but faithfully adhered to Catholic teachings on liberation and a preferential option for the poor, desiring a social revolution based on interior reform. Up to the end of his life, his spiritual life drew much from the spirituality of Opus Dei.In 2010, the United Nations General Assembly proclaimed 24 March as the “International Day for the Right to the Truth Concerning Gross Human Rights Violations and for the Dignity of Victims” in recognition of the role of Romero in defence of human rights. Romero actively denounced violations of the human rights of the most vulnerable people and defended the principles of protecting lives, promoting human dignity and opposing all forms of violence. Archbishop Jose Luis Escobar Alas, one of Romero’s successors as Metropolitan Archbishop of the Roman Catholic Archdiocese of San Salvador, El Salvador, asked Pope Francis to proclaim Romero a Doctor of the Church, which is an acknowledgement from the church that his religious teachings were orthodox and had a significant impact on its philosophy and theology.Latin American church groups often proclaim Romero an unofficial patron saint of the Americas and El Salvador; Catholics in El Salvador often refer to him as “San Romero”, as well as “Monseñor Romero”. Outside of Catholicism, Romero is honored by other Christian denominations including Church of England and Anglican Communion through the Calendar in Common Worship, as well as in at least one Lutheran liturgical calendar. Romero is also one of the ten 20th-century martyrs depicted in statues above the Great West Door of Westminster Abbey in London.

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Oskar Schindler (German: [ˈɔs.kaʁ ˈʃɪnd.lɐ] (listen); 28 April 1908 – 9 October 1974) was a German industrialist and a member of the Nazi Party who is credited with saving the lives of 1,200 Jews during the Holocaust by employing them in his enamelware and ammunitions factories in occupied Poland and the Protectorate of Bohemia and Moravia. He is the subject of the 1982 novel Schindler’s Ark and its 1993 film adaptation, Schindler’s List, which reflected his life as an opportunist initially motivated by profit, who came to show extraordinary initiative, tenacity, courage, and dedication to save the lives of his Jewish employees.
Schindler grew up in Zwittau, Moravia, and worked in several trades until he joined the Abwehr, the military intelligence service of Nazi Germany, in 1936. He joined the Nazi Party in 1939. Prior to the beginning of German occupation of Czechoslovakia in 1938, he collected information on railways and troop movements for the German government. He was arrested for espionage by the Czechoslovak government but was released under the terms of the Munich Agreement that year. Schindler continued to collect information for the Nazis, working in Poland in 1939 before the invasion of Poland at the start of World War II. In 1939, Schindler acquired an enamelware factory in Kraków, Poland, which employed at the factory’s peak in 1944 about 1,750 workers, of whom 1,000 were Jews. His Abwehr connections helped Schindler protect his Jewish workers from deportation and death in the Nazi concentration camps. As time went on, Schindler had to give Nazi officials ever larger bribes and gifts of luxury items obtainable only on the black market to keep his workers safe.
By July 1944, Germany was losing the war; the SS began closing down the easternmost concentration camps and deporting the remaining prisoners westward. Many were murdered in Auschwitz and the Gross-Rosen concentration camp. Schindler convinced SS-Hauptsturmführer Amon Göth, commandant of the nearby Kraków-Płaszów concentration camp, to allow him to move his factory to Brněnec in the Protectorate of Bohemia and Moravia, thus sparing his workers from almost certain death in the gas chambers. Using names provided by Jewish Ghetto Police officer Marcel Goldberg, Göth’s secretary Mietek Pemper compiled and typed the list of 1,200 Jews who travelled to Brünnlitz in October 1944. Schindler continued to bribe SS officials to prevent the execution of his workers until the end of World War II in Europe in May 1945, by which time he had spent his entire fortune on bribes and black market purchases of supplies for his workers.
Schindler moved to West Germany after the war, where he was supported by assistance payments from Jewish relief organisations. After receiving a partial reimbursement for his wartime expenses, he moved with his wife Emilie to Argentina, where they took up farming. When he went bankrupt in 1958, Schindler left his wife and returned to Germany, where he failed at several business ventures and relied on financial support from Schindlerjuden (“Schindler Jews”)—the people whose lives he had saved during the war. He died on 9 October 1974 in Hildesheim, Germany, and was buried in Jerusalem on Mount Zion, the only former member of the Nazi Party to be honoured in this way. He and his wife Emilie were named Righteous Among the Nations by the Israeli government in 1993.

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Thomas Newcomen (; February 1664 – 5 August 1729) was an English inventor who created the atmospheric engine, the first practical fuel-burning engine in 1712. He was an ironmonger by trade and a Baptist lay preacher by calling.
He was born in Dartmouth, in Devon, England, to a merchant family and baptised at St. Saviour’s Church on 28 February 1664. In those days flooding in coal and tin mines was a major problem. Newcomen was soon engaged in trying to improve ways to pump out the water from such mines. His ironmonger’s business specialised in designing, manufacturing and selling tools for the mining industry.

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Karl Wilhelm Otto Lilienthal (23 May 1848 – 10 August 1896) was a German pioneer of aviation who became known as the “flying man”. He was the first person to make well-documented, repeated, successful flights with gliders. Newspapers and magazines published photographs of Lilienthal gliding, favourably influencing public and scientific opinion about the possibility of flying machines becoming practical. On 9 August 1896, his glider stalled and he was unable to regain control. Falling from about 15 m (50 ft), he broke his neck and died the next day.

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Otto, Prince of Bismarck, Count of Bismarck-Schönhausen, Duke of Lauenburg (German: Otto Fürst von Bismarck, Graf von Bismarck-Schönhausen, Herzog zu Lauenburg pronounced [ˈɔtoː fɔn ˈbɪsmaʁk] (listen); 1 April 1815 – 30 July 1898), born Junker Otto Eduard Leopold von Bismarck, was a conservative German statesman, diplomat, and writer. Bismarck masterminded the unification of Germany in 1871 and served as its first chancellor until 1890, in which capacity he dominated European affairs for two decades. He had served as the chancellor of the North German Confederation from 1867 to 1871 and alongside the office of chancellor of Germany, he was Prussia’s minister president and the minister of Foreign Affairs from 1862 to 1890. Before his rise to the executive power, Bismarck was the Prussian ambassador to France and Russia and served in both houses of the Prussian Parliament. He cooperated with King Wilhelm I of Prussia to unify the various German states, a partnership that would last for the rest of Wilhelm’s life. King Wilhelm granted Chancellor Bismarck the titles of Count of Bismarck-Schönhausen in 1865 and Prince of Bismarck in 1871. Bismarck provoked three short, decisive wars against Denmark, Austria, and France. Following the victory against Austria, he abolished the supranational German Confederation and instead formed the North German Confederation as the first German national state, aligning the smaller North German states behind Prussia, and excluding Austria. Receiving the support of the independent South German states in the Confederation’s defeat of France, he formed the German Empire – which also excluded Austria – and united Germany.
With Prussian dominance accomplished by 1871, Bismarck skillfully used balance of power diplomacy to maintain Germany’s position in a peaceful Europe. To historian Eric Hobsbawm, Bismarck “remained undisputed world champion at the game of multilateral diplomatic chess for almost twenty years after 1871, [and] devoted himself exclusively, and successfully, to maintaining peace between the powers”. However, his annexation of Alsace-Lorraine (Elsaß-Lothringen) gave new fuel to French nationalism and Germanophobia. Bismarck’s diplomacy of Realpolitik and powerful rule at home gained him the nickname the “Iron Chancellor”. German unification and its rapid economic growth was the foundation to his foreign policy. He disliked colonialism but reluctantly built an overseas empire when it was demanded by both elite and mass opinion. Juggling a very complex interlocking series of conferences, negotiations and alliances, he used his diplomatic skills to maintain Germany’s position.
A master of complex politics at home, Bismarck created the first welfare state in the modern world, with the goal of gaining working class support that might otherwise go to his Socialist opponents. In the 1870s, he allied himself with the low-tariff, anti-Catholic Liberals and fought the Catholic Church in what was called the Kulturkampf (“culture struggle”). He lost that battle as the Catholics responded by forming the powerful German Centre Party and using universal male suffrage to gain a bloc of seats. Bismarck then reversed himself, ended the Kulturkampf, broke with the Liberals, imposed protective tariffs, and formed a political alliance with the Centre Party to fight the Socialists. A devout Lutheran, he was loyal to his ruler, Kaiser Wilhelm I, who argued with Bismarck but in the end supported him against the advice of his wife Empress Augusta and his heir Crown Prince Frederick William. While Germany’s parliament was elected by universal male suffrage, it did not have much control of government policy. Bismarck distrusted democracy and ruled through a strong, well-trained bureaucracy with power in the hands of a traditional Junker elite that consisted of the landed nobility in eastern Prussia. In his role as chancellor, he largely controlled domestic and foreign affairs. The year 1888 saw a quick transition on the German throne from Wilhelm I to his son Frederick III to Frederick’s son Wilhelm II. The headstrong Kaiser Wilhelm II dismissed Bismarck from office. He retired to write his memoirs.
Bismarck was strong-willed, outspoken and overbearing, but he could also be polite, charming and witty. Occasionally he displayed a violent temper – which he sometimes feigned to get the results he wanted – and he kept his power by melodramatically threatening resignation time and again, which cowed Wilhelm I. He possessed not only a long-term national and international vision but also the short-term ability to juggle complex developments. Bismarck became a hero to German nationalists; they built many monuments honoring the founder of the new Reich. Many historians praise him as a visionary who was instrumental in uniting Germany and, once that had been accomplished, kept the peace in Europe through adroit diplomacy. Historian Robert K. Massie has noted Bismarck’s popular image was as “gruff” and “militaristic”, while in reality “Bismarck’s tool was aggressive, ruthless diplomacy.”

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Phineas Taylor Barnum (; July 5, 1810 – April 7, 1891) was an American showman, businessman, and politician, remembered for promoting celebrated hoaxes and founding the Barnum & Bailey Circus (1871–2017) with James Anthony Bailey. He was also an author, publisher, and philanthropist, though he said of himself: “I am a showman by profession … and all the gilding shall make nothing else of me”. According to his critics, his personal aim was “to put money in his own coffers.” He is widely credited with coining the adage “There’s a sucker born every minute”, although no proof can be found of him saying this.
Barnum became a small business owner in his early twenties and founded a weekly newspaper before moving to New York City in 1834. He embarked on an entertainment career, first with a variety troupe called “Barnum’s Grand Scientific and Musical Theater”, and soon after by purchasing Scudder’s American Museum which he renamed after himself. He used the museum as a platform to promote hoaxes and human curiosities such as the Fiji mermaid and General Tom Thumb. In 1850, he promoted the American tour of Swedish opera singer Jenny Lind, paying her an unprecedented $1,000 a night for 150 nights. He suffered economic reversals in the 1850s due to bad investments, as well as years of litigation and public humiliation, but he used a lecture tour as a temperance speaker to emerge from debt. His museum added America’s first aquarium and expanded the wax-figure department.
Barnum served two terms in the Connecticut legislature in 1865 as a Republican for Fairfield, Connecticut. He spoke before the legislature concerning the ratification of the Thirteenth Amendment to the United States Constitution which abolished slavery and involuntary servitude: “A human soul, ‘that God has created and Christ died for,’ is not to be trifled with. It may tenant the body of a Chinaman, a Turk, an Arab, or a Hottentot—it is still an immortal spirit”. He was elected in 1875 as mayor of Bridgeport, Connecticut where he worked to improve the water supply, bring gas lighting to streets, and enforce liquor and prostitution laws. He was also instrumental in starting Bridgeport Hospital in 1878 and was its first president. Nevertheless, the circus business, begun when he was 60 years old, was the source of much of his enduring fame. He established “P. T. Barnum’s Grand Traveling Museum, Menagerie, Caravan & Hippodrome” in 1870, a traveling circus, menagerie, and museum of “freaks” which adopted many names over the years.
Barnum was married to Charity Hallett from 1829 until her death in 1873, and they had four children. In 1874, a few months after his wife’s death, he married Nancy Fish, his friend’s daughter who was 40 years his junior. They were married until 1891 when Barnum died of a stroke at his home. He was buried in Mountain Grove Cemetery, Bridgeport, which he designed himself.

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Paracelsus (; c. 1493 – 24 September 1541), born Theophrastus von Hohenheim (full name Philippus Aureolus Theophrastus Bombastus von Hohenheim), was a Swiss physician, alchemist, lay theologian, and philosopher of the German Renaissance.He was a pioneer in several aspects of the “medical revolution” of the Renaissance, emphasizing the value of observation in combination with received wisdom. He is credited as the “father of toxicology”. Paracelsus also had a substantial impact as a prophet or diviner, his “Prognostications” being studied by Rosicrucians in the 1600s. Paracelsianism is the early modern medical movement inspired by the study of his works.

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Paul Johannes Tillich (August 20, 1886 – October 22, 1965) was a German-American Christian existentialist philosopher and Lutheran Protestant theologian who is widely regarded as one of the most influential theologians of the twentieth century. Tillich taught at a number of universities in Germany before immigrating to the United States in 1933, where he taught at Union Theological Seminary, Harvard Divinity School, and the University of Chicago.
Among the general public, Tillich is best known for his works The Courage to Be (1952) and Dynamics of Faith (1957), which introduced issues of theology and culture to a general readership. In academic theology, he is best known for his major three-volume work Systematic Theology (1951–63), in which he developed his “method of correlation”, an approach that explores the symbols of Christian revelation as answers to the problems of human existence raised by contemporary existential analysis. Unlike mainstream interpretations of existentialism which emphasized the priority of existence over essence, Tillich considered existentialism “possible only as an element in a larger whole, as an element in a vision of the structure of being in its created goodness, and then as a description of man’s existence within that framework.”Tillich’s unique integration of essentialism and existentialism, as well as his sustained engagement with ontology in the Systematic Theology and other works, has attracted scholarship from a variety of influential thinkers including Karl Barth, Reinhold Niebuhr, H. Richard Niebuhr, George Lindbeck, Erich Przywara, Langdon Gilkey, James Luther Adams, Avery Cardinal Dulles, Dietrich Bonhoeffer, Sallie McFague, Richard John Neuhaus, David Novak, John D. Caputo, Thomas Merton, Robert W. Jenson, Thomas F. O’Meara, and Martin Luther King Jr. According to H. Richard Niebuhr, “[t]he reading of Systematic Theology can be a great voyage of discovery into a rich and deep, and inclusive and yet elaborated, vision and understanding of human life in the presence of the mystery of God.” John Herman Randall Jr. lauded the Systematic Theology as “beyond doubt the richest, most suggestive, and most challenging philosophical theology our day has produced.”In addition to Tillich’s work in theology, he also authored many works in ethics, the philosophy of history, and comparative religion. Tillich’s work continues to be studied and discussed around the world, and the North American Paul Tillich Society, Deutsche Paul-Tillich-Gesellschaft, and l’Association Paul Tillich d’expression française regularly host international conferences and seminars on his thought and its possibilities.

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Pema Chödrön (པད་མ་ཆོས་སགྲོན padma chos sgron “lotus dharma lamp”; born Deirdre Blomfield-Brown, July 14, 1936) is an American Tibetan Buddhist. She is an ordained nun, former acharya of Shambhala Buddhism and disciple of Chögyam Trungpa Rinpoche. Chödrön has written several dozen books and audiobooks, and is principal teacher at Gampo Abbey in Nova Scotia.

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Anthony Francis Fernandes (born 30 April 1964) is a Malaysian entrepreneur. He is the founder of Tune Air Sdn. Bhd., who introduced the first budget no-frills airline, AirAsia, to Malaysians with the tagline “Now everyone can fly”. Fernandes managed to turn AirAsia, a failing government-linked commercial airline, into a highly successful budget airline public-listed company. He has since founded the Tune Group of companies. He is also the majority shareholder of Queens Park Rangers Football Club. He is the owner of Caterham Group, the parent company of British car manufacturer Caterham Cars.

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Pericles (; Attic Greek: Περικλῆς [pe.ri.klɛ̂ːs]; c. 495 – 429 BC) was a Greek statesman and general during the Golden Age of Athens. He was prominent and influential in Athenian politics, particularly between the Greco-Persian Wars and the Peloponnesian War, and was acclaimed by Thucydides, a contemporary historian, as “the first citizen of Athens”. Pericles turned the Delian League into an Athenian empire and led his countrymen during the first two years of the Peloponnesian War. The period during which he led Athens, roughly from 461 to 429 BC, is sometimes known as the “Age of Pericles”, but the period thus denoted can include times as early as the Persian Wars or as late as the following century.
Pericles promoted the arts and literature, and it is principally through his efforts that Athens acquired the reputation of being the educational and cultural center of the ancient Greek world. He started an ambitious project that generated most of the surviving structures on the Acropolis, including the Parthenon. This project beautified and protected the city, exhibited its glory and gave work to its people. Pericles also fostered Athenian democracy to such an extent that critics call him a populist. Pericles was descended, through his mother, from the powerful and historically-influential Alcmaeonid family. He, along with several members of his family, succumbed to the Plague of Athens in 429 BC, which weakened the city-state during a protracted conflict with Sparta.

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Peter the Great (Russian: Пётр Вели́кий, tr. Pyotr Velíkiy, IPA: [ˈpʲɵtr vʲɪˈlʲikʲɪj]), Peter I (Russian: Пётр Первый, tr. Pyotr Pyervyy, IPA: [ˈpʲɵtr ˈpʲɛrvɨj]) or Pyotr Alekséyevich (Russian: Пётр Алексе́евич, IPA: [ˈpʲɵtr ɐlʲɪˈksʲejɪvʲɪtɕ]; 9 June [O.S. 30 May] 1672 – 8 February [O.S. 28 January] 1725) ruled the Tsardom of Russia and later the Russian Empire from 7 May [O.S. 27 April] 1682 until his death in 1725, jointly ruling before 1696 with his elder half-brother, Ivan V.
Through a number of successful wars, he expanded the Tsardom into a much larger empire that became a major European power, that also laid the groundwork for the Imperial Russian Navy after capturing ports at Azov and the Baltic Sea. He led a cultural revolution that replaced some of the traditionalist and medieval social and political systems with ones that were modern, scientific, Westernised and based on the Enlightenment. Peter’s reforms had a lasting impact on Russia, and many institutions of the Russian government trace their origins to his reign. He is also known for founding and developing the city of Saint Petersburg, which remained the capital of Russia until 1917.
However, the formation of local elites domestically was not his main priority, and the first Russian university was founded only a year before his death, in 1724. The second one was founded 30 years after his death, during the reign of his daughter Elizabeth.

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