Subrahmanyan Chandrasekhar (19 October 1910 – 21 August 1995) was an Indian-American astrophysicist who spent his professional life in the United States. He was awarded the 1983 Nobel Prize for Physics with William A. Fowler for "...theoretical studies of the physical processes of importance to the structure and evolution of the stars and black holes.The Chandrasekhar limit is named after him.
Source: https://en.wikipedia.org/wiki/Subrahmanyan_Chandrasekhar