Ramanujan, Srinivasa (shrēˌnĭväˈsə rämäˈnŏjən) [key], 1889–1920, Indian mathematician. He was a self-taught genius in pure mathematics who made original contributions to function theory, power series, and number theory with the training gained from a single textbook. He was invited to Cambridge by G. H. Hardy, with whom he collaborated, and continued there his work in number theory. He died of tuberculosis.
See R. Kanigel, The Man Who Knew Infinity (1991).
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