K. R. Ramanathan

Diwan Bahadur Kalpathi Ramakrishna Ramanathan FNA, FASc, FIAS, Hon.FRMetS (28 February 1893 – 31 December 1984) was an Indian physicist and meteorologist. He was the first Director of Physical Research Laboratory, Ahmedabad. From 1954 to 1957, Ramanathan was President of the International Union of Geodesy and Geophysics (IUGG). Ramanathan was awarded Padma Bhushan in 1965 and Padma Vibhushan in 1976.