Bachelor, Yale University, 1953; postgraduate, Harvard University School Business, 1953-1954; Doctor of Humane Letters, St. Lawrence University, 1986.
Chairman, chief Executive officer, Wertheim & Company. New York City, 1972-1986; co-chairman, Wertheim-Schroder & Company Inc., New York City, 1986-1988; chairman, Klingenstein, Fields & W. L.P., since 1989.
Chairman Mount Sinai Medical Center, New York City, 1986-1995. Trustee American Museum Natural History, New York City, since 1965, St. Lawrence University, Canton, New York, 1979-1985. President Rye County Day School, Rye, New York, 1980-1984.
Served to 1st lieutenant artillery United States Army, 1954-1956.
Married Sharon Moore Lowe, July 2, 1932. Children: Kathy Klingenstein, Susan Klingenstein, Lucy Brody, Amy Pollinger.