Rene Descartes (1596-1650), French mathematician and philosopher. His most important scientific works were in mathematics. He created analytical or co-ordinate geometry, known as Cartesian geometry, in which geometrical problems are converted into algebraic forms. He attempted to explain planetary motions in terms of vortices surrounding the Sun. He is considered the father of modern philosophy, and stated, 'I think, therefore I am'. Illustration from Histoire de France by Victor Duruy (1865). | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Collection Abecasis |
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