Descartes

. . . roll-over image links for previews or follow the theme trails by clicking on each image to proceed to the next . . .

René Descartes (1596-1650) was a French rationalist philosopher, mathematician, physicist, and physiologist who is regarded as the father of modern philosophy. Decartes is best known for positing "cogito ergo sum", for his argument for mind-body dualism, and for Cartesian geometry.

Descartes revitalized philosophy by his rejection of the Aristotelian and Scholastic traditions of the "schoolmen". . .

More on Descartes' circular argument for the existence of God.