Srinivasa Ramanujan

The man who's mathmatical theories are still teaching the scientist many solutions.

Ramanujan life time
Srinivasa Ramanujan was an Indian mathematician who made significant contributions to the field of mathematics, particularly in the areas of number theory, infinite series, and mathematical analysis.

Here is a timeline of his life:

"He (Ramanujan) has left to the scientific world a heritage of his works, which are the most original and profound in India's entire mathematical history."

-- Sir C.V. Raman, Nobel laureate in Physics

If you have time, you should read more about this incredible human being on his Wikipedia entry.