Original: René Descartes, (31 March 1596 – 11 February 1650), also known as Renatus Cartesius (Latinized form), was a French philosopher, mathematician, scientist, and writer who spent most of his adult life in the Dutch Republic.
Simplified: René Descartes (March 31, 1596 – February 11, 1650) was a famous French philosopher and physicist.