Doctor of Philosophy in Philosophy, Sorbonne, Paris, 1940.
With, Paul Rosenberg & Company. New York City, 1946-1987;
president, Paul Rosenberg & Company, 1959-1987. Special research European art from Renaissance to 20th Century.
Organizer public exhibitions, collector early printed manuscripts and books.
Served with Free French Forces, 1940-1945. Member Art Dealers Association American (president 1962-1964, 76-78, director), Morgan Library, New York Jock Club, Grolier Club (resident member of New York).
Married Elaine Lois Sobel, February 29, 1948. ChildreN; Elizabeth Marthe, Marianne Barbara.