Student, Purdue University, 1943. Bachelor of Science, University Detroit, 1948. Doctor of Humane Letters, St. John's University, 1978.
President, Lawrence Investment Company, Detroit, 1949-1966;
President, Lawrence Advertising Agency, Detroit, 1950-1960;
director, Indiana Newspaper, Inc., Detroit, 1952-1960;
director, WITI, Channel 6, Milwaukee, 1952-1959;
president, owner, Kennedy Galleries, New York City, since 1966. Director Hartwell Hedge Fund, New York City, 1966-1972. Founder, president Archives American Art, 1952-1966, director, since 1967.
Member Fine Arts Commission, United States Information Agency, 1956-1962;advisor Fine Arts Commission, White House, 1960-1962, 64-66. President DetroitArts Commission, 1962-1966. Treasurer Society Arts and Crafts School, Detroit, 1953-1966.
Board directors Mannes College Music, New York City, 1967-1971, Skowhegan School Painting and Sculpture, Maine and New York, 1968-1983. Vice president Committee Religion and Art of America, New York City, since 1972. Member president's county Metropolitan Museum Art, chairman Philodores Society, 1988.
Mathematics trustee Baltimore Museum Art. Chairman Caryatids, British department of Greek and Roman Antiquities, London. National trustee Baltimore Museum Art.
Chairman American Friends of British Museum, London, 1991. Member visiting committee department Greek and Roman, Museum Fine Arts, Boston, 1991. Served with Army of the United States, 1943-1946, European Theatre of Operations.
Member Pennsylvania Academy Fine Arts (life), Pennsylvania History Society (life), Art Dealers Association American (board directors), American Antiquarian Society M C.
Married Barbara Greenberg, December 18, 1948. Children: Rebecca, Arthur, Martha.