![René Descartes Image source: Frans Hals René Descartes Image source: Frans Hals](http://www.timeone.ca/wp-content/uploads/2012/05/Rene-Descartes.jpg)
Image source:
Frans Hals
René Descartes was a 17th-century French philosopher and mathematician who wrote Meditationes de Prima Philosophia.
Image source:
Frans Hals
René Descartes was a 17th-century French philosopher and mathematician who wrote Meditationes de Prima Philosophia.