 After the implementations of the Italian Racial Laws in 1938, Sonne migrated to the United States where he taught at the Hebrew Union College in Cincinnati, where he died in 1960.Sonne made considerable contributions to the "Wissenschaft des Judentums".Sonne was born in Mosciska, Galicia, then part of the Austrian-Hungarian Empire, on 26 February 1887 and was educated in Switzerland and Italy, receiving a Rabbinical degree there in 1925.