 From 1916 he taught secondary school philosophy, Latin and French in Esch-sur-Alzette, from 1919 until 1940 in the Lycée classique de Diekirch, the Athénée de Luxembourg and in the "Cours supérieurs".During the German occupation of Luxembourg in World War II, from 18 September until 4 November 1942 he was interned in Hinzert concentration camp.In 1944, after the liberation of Luxembourg, he became Minister for Education, Culture and Science under Pierre Dupong.