Rene Descartes (1596 - 1650) was a renowned mathematician, scientist, and philosopher born in La Haye, France. He believed that all natural phenomenon, matter, and motion can be defined through mathematics. La Geometrie (1637) is his most famous work of mathematics. Descartes is sometimes regarded as the founder of modern philosophy and one of the first to investigate the mind - body relationship. He later introduced a famous Latin phrase, Cogito Ergo Sum (I think, therefore I am).
Celebrated French mathematician, philosopher and scientist. Descartes is regarded as the father of modern scientific method and modern philosophy. He studied scholastic philosophy and physics as a student, traveled through Europe and worked as a soldier.