Jacques Pelletier du Mans
Jacques Pelletier du Mans, also spelled Peletier was a humanist, poet and mathematician of the French Renaissance.
De occulta parte numerorum, quam algebram vocant, 1560
Joachim du Bellay was a French poet, critic, and a founder of La Pléiade. He notably wrote the manifesto of the group: Défense et illustration de la langue française, which aimed at promoting French as an artistic language, equal to Greek and Latin.
Joachim du Bellay