sentences:  From Paris, he fled to Saarbrücken and later to Switzerland.He was arrested in 1939 and held in a series of labor camps in France (Vierzon, Ruchard, Gurs and Septfonds) until his escape in 1942, after which he and his wife hid in the Pyrénées with the help of a peasant woman.At war's end in 1945 he returned to France, and in 1947 moved to New York and became an American citizen.