With Bureau Yards and Docks United States Navy (camouflage), Washington, 1941-1943. Overseas duty United States Navy, Trinidad, British West Indies California California, 1944-1946. With Alex D. Crosett & Associates (architects), New York City, 1946, Walter Dorwin Teague, industrial designer, 1946-1947, Frederick L. Ackerman and Harold R. Sleeper (architects), New York City, 1947-1948, Trio Industries, Inc., New York City, 1948-1949, Lorimer Rich & Robbins Conn (architects), New York City, 1949-1950.
Office of Henry S. Churchill, New York City, 1950-1952. Industrial div. Ebasco Service, Inc., 1952-1960, Burns & Roe, Inc., 1960-1962, Shanley & Sturges, 1962-1965. Executive director Landmarks Preservation Commission, 1965-1972, director research, 1972-1978.
Consultant to, Biltmore, Asheville, North Carolina. Lecturer New School, 1964-1981.