FAGNIEZ, GUSTAVE CHARLES French historian and economist, born in Paris, Oct. 6, 1842. His Etudes sur l'industrie et la classe industrielle a Paris au X 111e et au X I V e siecle (1877) opened a new field for historical study. He also wrote Documents relatifs a l'histoire de l'industrie et du commerce en France (1898-190o), L'Economie sociale de la France sous Henri IV., Le Pere Joseph et Richelieu (1894), and Journal pa risien de Jean de Maupoint, prieur de Ste. Catherine-de-la-Cou ture.