Charles Dupin
Pierre Charles François Dupin | |
|---|---|
| Born | 6 October 1784 Varzy, France |
| Died | 18 January 1873 (aged 88) Paris, France |
| Known for | Choropleth map Dupin cyclide Dupin hypersurface Dupin indicatrix Dupin's theorem Malus-Dupin theorem |
| Scientific career | |
| Fields | Mathematics Engineering Economics |
Baron Pierre Charles François Dupin (French pronunciation: [pjɛʁ ʃaʁl fʁɑ̃swa dypɛ̃]; 6 October 1784, Varzy, Nièvre – 18 January 1873, Paris, France) was a French Catholic mathematician, engineer, economist and politician, particularly known for work in the field of mathematics, where the Dupin cyclide and Dupin indicatrix are named after him; and for his work in the field of statistical and thematic mapping. In 1826 he created the earliest known choropleth map.