Srinivasa Ramanujan

Srinivasa Ramanujan Aiyangar was an Indian mathematician. He is considered to be one of the most talented mathematicians in recent history. He had no formal training in mathematics. However, he has made a large contribution to number theory, infinite series and continued fractions. After getting his degree at Cambridge, Ramanujan did his own work, he compiled over 3500 identities and equations in his life. His discoveries have led to many advancements in mathematics. His formulae are now being used in crystallography and string theory.