Mathematician:Joseph-Émile Barbier

Mathematician

French astronomer and mathematician, best known for Barbier's Theorem on the perimeter of curves of constant width.

Nationality

French

History

• Born: 18 March 1839 in St Hilaire-Cottes, Pas-de-Calais, France
• Died: 28 January 1889 in St Genest, Loire, France

Theorems and Definitions

• Barbier's Theorem

Results named for Joseph-Émile Barbier can be found here.

Publications

• 1860: Note sur le problème de l'aiguille et le jeu du joint couvert (J. Math. Pures Appl. Ser. 2 Vol. 5: pp. 273 – 286)

Sources

• John J. O'Connor and Edmund F. Robertson: "Joseph-Émile Barbier": MacTutor History of Mathematics archive