Mathematician:Charles Julien Brianchon

Mathematician

French mathematician and chemist who took up a career in Napoleon's artillery.

With Jean-Victor Poncelet, proved the Nine Point Circle Theorem in $1820$.

Nationality

French

History

• Born: 19 December 1783 in Sèvres, France
• Died: 29 April 1864 in Versailles, France

Theorems and Definitions

• Brianchon's Theorem
• Nine Point Circle Theorem (with Jean-Victor Poncelet)

Results named for Charles Julien Brianchon can be found here.

Publications

• 1817: Mémoire sur les Lignes du Second Ordre
• 1820: Recherches sur la Détermination d'une Hyperbole Equilatère, au Moyen de Quatres Conditions Donnée (with Jean-Victor Poncelet)

Sources

• John J. O'Connor and Edmund F. Robertson: "Charles Julien Brianchon": MacTutor History of Mathematics archive

• 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): A List of Mathematicians in Chronological Sequence
• 1991: David Wells: Curious and Interesting Geometry ... (previous) ... (next): A Chronological List Of Mathematicians
• 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): A List of Mathematicians in Chronological Sequence
• 1998: David Nelson: The Penguin Dictionary of Mathematics (2nd ed.) ... (previous) ... (next): Brianchon, Charles Julien (1783-1864)
• 2008: David Nelson: The Penguin Dictionary of Mathematics (4th ed.) ... (previous) ... (next): Brianchon, Charles Julien (1783-1864)