This document provides brief biographies of several famous mathematicians throughout history: - Srinivasa Ramanujan was a brilliant Indian mathematician who made significant contributions to analytical number theory, elliptic functions, continued fractions, and infinite series. - Pythagoras was a Greek philosopher and mathematician who may have been the first to prove the Pythagorean theorem, though it was known by Babylonians 1000 years prior. He also made important developments in mathematics, astronomy, and music theory. - Aryabhatta was an extraordinary Indian teacher and scholar with immense knowledge of mathematics and astronomy. He suggested the heliocentric theory that the sun is at the center of the solar system, discovering this before