Descartes, Rene (1596 1650)

Rene Descartes was a French mathematician and philosopher who is known as the Father of Modern Philisophy. In mathematics the Cartesian coordinate system is named for him. He also orignated the notation of superscripts representing powers or exponents.

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First Day Covers

Paper Money

Obverse Reverse Description
France, 100 francs, 1942
France, 100 francs
FAKE - Notice the serial number is 00000

Coins and tokens

Obverse Reverse Description
France, 100 Francs, 1991
France, ECU, 1993