René Descartes, a French philosopher and mathematician, born 159, died 1650. See biography, below.
René (1596-1650): French philosopher and scientist who took refuge in Holland, one of the founders of naturalist philosophy and the modern scientific method.
Rene 1596-1650 René Descartes was a French philosopher and mathematician whose work, La géométrie, includes his application of algebra to geometry from which we now have Cartesian geometry ( Cartesian coordinates)