Born in Czechoslovakia in 1914, Ehrman studied at the Yeshiva in Kleinvardein and, in 1932, went to live in Switzerland, where he stayed until the end of World War 2. He first studied in the Yeshiva at Baden and then at the University of Bern, where he obtained degrees in Political Science and Law (Rer.Pol. and Dr Jur.). After the war, Ehrman went to England and obtained the Rabbinical semicha from Jews’ College, London, in 1947. Moving to Israel, he became a member of the Israeli Bar.