Girard Desargues

Girard Desargues
Born(1591-02-21)21 February 1591
Lyon, France
DiedSeptember 1661 (aged 70)
Lyon, France
Known forDesarguesian plane, non-Desarguesian plane, Desargues' theorem, Desargues graph, Desargues configuration, Desargues (crater)
Scientific career
FieldsMathematics

Girard Desargues (French: [ʒiʁaʁ dezaʁɡ]; 21 February 1591  September 1661) was a French mathematician and engineer, who is considered one of the founders of projective geometry. Desargues' theorem, the Desargues graph, and the crater Desargues on the Moon are named in his honour.