Charles Dupin
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| Pierre Charles François Dupin | |
|---|---|
| File:Charles Dupin.jpeg | |
| Born | 6 October 1784 Varzy, France |
| Died | Error: Need valid death date (first date): year, month, day Paris, France |
| Residence | France |
| Fields | Mathematics Engineering Economics |
Baron Pierre Charles François Dupin (6 October 1784, Varzy, Nièvre – 18 January 1873, Paris, France) was a French Catholic mathematician, engineer, economist[1] 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,[2] In 1826 he created the earliest known choropleth map.[3]
Life and work
He was born in Varzy in France, the son of Charles Andre Dupin, a lawyer, and Catherine Agnes Dupin.[4]
He studied geometry with Monge at the École Polytechnique and then became a naval engineer (ENSTA). From 1807 he was responsible for the restoration of the damaged port and arsenal at Corfu. In 1813 he founded the Toulon Maritime Museum.
In 1819 he was appointed professor at the Conservatoire des Arts et Métiers; he kept this post until 1854. In 1822, he was elected a foreign member of the Royal Swedish Academy of Sciences.
In 1808, he participated in the Greek science revival by teaching mathematics and mechanics lessons in Corfu. One of his students was Giovanni Carandino, who would go on to be the founder of the Greek Mathematics School in the 1820s.
In 1818, Dupin was elected to the body of the French Academy of Sciences, one of the Institut de France's five Academies. [5]
In 1826 he published a thematic map showing the distribution of illiteracy in France, using shadings (from black to white), the first known instance of what is called a choropleth map today.[3] Duplin had been inspired by the work of the German statisticians Georg Hassel and August Friedrich Wilhelm Crome.[2] Dupin was named rapporteur for the central jury of the Exposition des produits de l'industrie française en 1834. For each branch of industry he noted the quantities and value of French exports and imports, with comparative figures for 1823, 1827 and 1834.[6]
In addition, he had a political career and was appointed to the Senate in 1852.[5] His mathematical work was in descriptive and differential geometry. He was the discoverer of conjugate tangents to a point on a surface and of the Dupin indicatrix.[7]
Selected publications
- Dupin, François Pierre Charles. Développements de géométrie. (1813).
- Dupin, François Pierre Charles. Discours et leçons sur l'industrie, le commerce, la marine, et sur les sciences appliquées aux arts. 1825.
- Dupin, François Pierre Charles. Canal maritime de Suez. Imprimerie de Mallet-Bachelier, 1858.
References
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Media related to Lua error in package.lua at line 80: module 'strict' not found. at Wikimedia Commons
Quotations related to Charles Dupin at Wikiquote- Entry in MacTutor History of Mathematics
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Cabinet of Hugues-Bernard Maret (10 November 1834 to 18 November 1834)
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Head of state: King Louis Philippe I
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Charles Dupin
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- ↑ Entry in Catholic Encyclopedia
- ↑ 2.0 2.1 Palsky, Gilles. "Connections and Exchanges in European Thematic Cartography. The case of XIXth century choropleth maps." Formatting Europe. Mapping a continent. 2007
- ↑ 3.0 3.1 Michael Friendly (2008). "Milestones in the history of thematic cartography, statistical graphics, and data visualization".
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 5.0 5.1 Lua error in package.lua at line 80: module 'strict' not found.
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- Pages with reference errors
- Articles needing translation from foreign-language Wikipedias
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- Age error
- 1784 births
- 1873 deaths
- People from Varzy
- French Roman Catholics
- Politicians from Bourgogne-Franche-Comté
- Orléanists
- Party of Order politicians
- Bonapartists
- Members of the Chamber of Deputies of the Bourbon Restoration
- Members of the 1st Chamber of Deputies of the July Monarchy
- Members of the 2nd Chamber of Deputies of the July Monarchy
- Members of the 3rd Chamber of Deputies of the July Monarchy
- Members of the 1848 Constituent Assembly
- Members of the National Legislative Assembly of the French Second Republic
- French Senators of the Second Empire
- 18th-century French mathematicians
- 19th-century French mathematicians
- Differential geometers
- Information visualization experts
- French civil engineers
- École Polytechnique alumni
- Members of the French Academy of Sciences
- Members of the Royal Swedish Academy of Sciences
