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Portrait after Frans Hals, 1648[1]Born 31 March 1596
La Haye en Touraine, Touraine,FranceDied 11 February 1650 (aged 53)
Stockholm, SwedenNationality French Era 17th-century philosophy Region Western Philosophy Religion Roman Catholic[2] School Cartesianism
Rationalism
Foundationalism
Founder of CartesianismMain interests Metaphysics, Epistemology,Mathematics Notable ideas Cogito ergo sum, method of doubt, Cartesian coordinate system, Cartesian dualism,ontological argument for the existence of Christian God,mathesis universalis;
folium of DescartesSignature ![]()