C. V. Vishveshwara

C.V. Vishveshwara (6 March 1938 – 16 January 2017), commonly known as Vishu, was an Indian scientist and black hole physicist. Specializing in Einstein's General Relativity, he worked extensively on the theory of black holes and made major contributions to this field of research since its very beginning. He is popularly known as the 'black hole man of India'. Provided by Wikipedia