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. Life. 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 tautochrone curve, the brachistochrone curve and orthogonal trajectories. He was elected a member of the Académie des sciences in 1733. He died, aged 67, in Cuiseaux.