This document discusses several great mathematicians from history, including Archimedes, Euclid, René Descartes, Aryabhata, Srinivasa Ramanujan, Carl Gauss, Pythagoras, and Isaac Newton. It provides brief summaries of their major contributions and accomplishments in fields like geometry, calculus, number theory, trigonometry, and physics. Many of them made fundamental discoveries and advances that became foundations for later mathematical and scientific developments.