Stephen Sass held degrees from University of Budapest, University of Heidelberg, University of Munich, and Case Western Reserve University. He practiced law in Hungary before coming to America in 1956. He joined the University of Iowa College of Law as a law librarian and lecturer in 1964; he held that role until 1966, at which time he became Assistant Professor and Librarian. From 1969 to 1972, he held the title of Associate Professor and Librarian. In 1972, Professor Sass moved the law faculty as Associate Professor of Law, and then became Professor of Law in 1977. His work focused on foreign and comparative law, including helping to establish the law school's Archachon summer program in international law. He remained on the law faculty until 1986. He died in 1999.