Charles Julien Brianchon
French mathematician and chemist
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Charles Julien Brianchon (19 December 1783 – 29 April 1864) was a French mathematician and chemist.
Born19 December 1783
Died29 April 1864 (aged 80)
EducationÉcole Polytechnique
KnownforBrianchon's theorem
Charles Julien Brianchon | |
|---|---|
Front page of Théorie des Transversales (1818) by Charles Julien Brianchon (1783-1864) | |
| Born | 19 December 1783 |
| Died | 29 April 1864 (aged 80) |
| Education | École Polytechnique |
| Known for | Brianchon's theorem |
| Scientific career | |
| Fields | mathematics chemistry |
Life
He entered into the École Polytechnique in 1804 at the age of eighteen[dubious – discuss], and studied under Monge, graduating first in his class in 1808, after which he took up a career as a lieutenant in Napoleon's artillery. Later, in 1818, Brianchon became a professor in the Artillery School of the Royal Guard at Vincennes.
Work
Brianchon is best known for his proof of Brianchon's theorem (1810).
Brianchon's book Mémoire sur les lignes du second ordre (Paris, 1817) is available online .