Frontispiece of Pierre Contant d'Ivry's Oeuvres d'architecture (1769) with his portrait and showing his revised plan for the Église de la Madeleine[1]
Pierre Contant d'Ivry (11 May 1698 in Ivry-sur-Seine – 1 October 1777 in Paris), was a French architect and designer working in a chaste and sober Rococo style and in the goût grec phase of early Neoclassicism.