Srinivasa Iyengar Ramanujan
Srinivasa Iyengar Ramanujan was an Indian mathematician and autodidact who, with almost no formal training in pure mathematics.
He was born on 22 December 1887 at Erode, Tamil Nadu and died on 26th April 1920 at the age of 32. During his short lifetime, Ramanujan independently compiled nearly 3900 results.
Web : http://en.wikipedia.org/wiki/Srinivasa_Ramanujan