Mathematician:Alexis Claude Clairaut

Mathematician
French mathematician, astronomer and geophysicist. Worked out the shape of the Earth.

Best known in mathematics for Clairaut's (differential) equation.

Credited with inventing the technique (independently of and ) of the use of integrating factors.

Nationality
French

History

 * Born: 7 May 1713, Paris, France
 * Died: 17 May 1765, Paris, France

Theorems and Definitions

 * Clairaut's Theorem (also known as Schwarz Theorem, for )
 * Clairaut's Differential Equation, sometimes called just Clairaut's Equation.
 * Clairaut's Relation

Publications

 * 1726: Quatre Problèmes sur de Nouvelles Courbes (at age 13)
 * 1731: Recherches sur les Courbes a Double Courbure
 * 1733: Sur Quelques Questions de Maximis et Minimis
 * 1741: Elements de Géometrie
 * 1743: Théorie de la Figure de la Terre, Tirée des Principes de l'Hydrostatique
 * 1749: Elements d'Algèbre (used for teaching in French schools for many years)
 * 1752: Théorie de la Lune

Also known as
Sometimes reported as de Clairault.