After training for the priesthood, Sébastien Gérardin became canon of Poussay in 1790. He was passionately interested in natural history, which he taught at l’École centrale d'Épinal.
André Gérardin (1879, Nancy, Meurthe-et-Moselle – 1953, Nancy, Meurthe-et-Moselle) was a French mathematician, specializing in number theory and calculating machines used in factoring large positive integers, finding primes, and calculating…