Alexis Fontaine des Bertins

Alexis Fontaine, known as Alexis Fontaine des Bertins (13 August 1704, Claveyson – 21 August 1771, Cuiseaux) was a French mathematician. He was a patron and teacher of Jean-Jacques de Marguerie.

Life

He first got a taste for maths by reading the Géométrie de l'infini of Fontenelle and gave solutions to the problems of the tautochrone curve, the brachistochrone curve and orthogonal trajectories.
Publications

Mémoires donnés à l'Académie royale des sciences, non imprimés dans leur temps (1764)
Traité de calcul différentiel et intégral, par M. Fontaine, de l'Académie royale des sciences, pour servir de suite aux mémoires de la même Académie (1770)

Source
External links

Biography and bibliography
R Taton, Biography in Dictionary of Scientific Biography (New York 1970-1990).

J M C de Condorcet, Eloge de M Fontaine, Histoire de l'Académie royale des sciences 1771 (Paris, 1774), 105-116.J L Greenberg, Alexis Fontaine's route to the calculus of several variables, Historia Math. 11 (1) (1984), 22-38.

J L Greenberg, Alexis Fontaine's integration of ordinary differential equations and the origins of the calculus of several variables, Ann. of Sci. 39 (1) (1982), 1-36.

J L Greenberg, Alexis Fontaine's 'fluxio- differential method' and the origins of the calculus of several variables, Ann. of Sci. 38 (3) (1981), 251-290.

This article incorporates text from a publication now in the public domain: (French) . Dictionnaire Bouillet.