Student, New York University, 1939-1940; student, University Missouri, 1940-1941; private studies with, Jose DeCreeft, 1946-1947; private studies with, Ossipe Zadkine, Paris, 1950-1951.
Owner, Weiss Associations, 1948-1949, 51, 52; owner, S.R. Leon Company, 1954-1956; freelance sculptor and writer, since 1956; associate professor, Adelphi U., since 1976; professor, Adelphi U., since 1982.
With United States Army, World World War World War II. Member American Association of University Professors, Authors Guild, Sculptors Guild (personnel 1968-1970), Westport Council on the Arts, National Academy, National Sculpture Society.
Married Miriam Schlein, 1955 (divorced 1983). Children: Elizabeth Sarah, John Mark. Married Margaret I. McKinnickinick, 1981.