Alexis Fontaine des Bertins

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

Fontaine was born in Claveyson. He first got a taste for maths by reading the Géométrie de l'infini of Fontenelle and gave solutions to the problems of the , the and orthogonal trajectories. He was elected a member of the Académie des sciences in 1733. He died, aged 67, in Cuiseaux.

 This article incorporates text from a publication now in the public domain: Bouillet, Marie-Nicolas; Chassang, Alexis, eds. (1878). "". Dictionnaire Bouillet (in French). 

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