Chaduc, Blaise a French theologian, was born in 1608 at Riom, in Auvergne. He entered the Society)f the Oratory, and was one of the most famous preachers of his time. He died at Paris, Jan. 14, 1695, leaving, Lettre sur l'Usure (1672, 4to): — Traite de la Nature Usure (Avignon, 1675, 16mo): —a collection of sermons under the title of Dieu Enfant (Lyons, 1682, 2mo). See Hoefer, Nouv. Biog. Générale, s.v.