Bachelor of Science, Yeshiva College, 1950; Master of Arts, Syracuse University, 1951; Doctor of Philosophy, Massachusetts Institute of Technology, 1954.
Research associate, Institute Mathematics Sciences, New York City, 1954-1955; senior lecturer, Bar-Ilan U., Ramat-Gan, Israel, 1955-1956; mathematician, Weizmann Institute Science, Rehovoth, Israel, 1956-1957; assistant professor, Polytechnic Institute Brooklyn, 1957-1960; mathematician, National Bureau Standards, Gaithersburg, Maryland., 1960-1987; professor, Temple University, Philadelphia, since 1987.
Member American Mathematics Society, Mathematics Association American, Society Industrial and Applied Mathematics.
Married Blossom Delman. Children: Melanie, Miriam, Jesse, Eli.