French philosopher, scientist, writer; author of phrase "Cogito ergo sum"
"in which the Existence of God and the Distinction between Mind and Body are Demonstrated"; "Cogito ergo sum"
A landmark in the modern history of philosophic thought
C. 1649, oil on panel; Statens Museum for Kunst, Copenhagen
Intended as a textbook to replace Aristotelian textbooks of the time
Introduction to Essais, published in 1637
French philosopher and mathematician (d. 1650)
1637; "Je pense, donc je suis"