Born: December 17, 1897 New York, New York
Died: April 3, 1984 Chocorua, New Hampshire

EDUCATION:

A.B., summa cum laude, chemistry, Harvard 1921
M.D., Cornell 1925
M.A., physics, Princeton 1926
Ph.D., physics, Princeton 1927

APPOINTMENTS AND ACTIVITIES:

• Licensed Physician and Surgeon, New York State, 1925-1984
• National Research Council, Fellow in Physics, Mount Wilson Observatory, 1927-29
• Mount Wilson Observatory, Carnegie Institution of Washington, Assistant Astronomer, 1928-36; Astronomer, 1936-47
• Princeton University, Associate Professor (half-time), 1935-36
• Member, National Geographic Society, U. S. Navy Eclipse Expedition to Canton Island, May-June, 1937
• Oxford University, Research Associate, 1938-39
• Fund for Astrophysical Research, Inc., Scientific Direc-tor, 1936-84; Trustee, 1970-84; Vice President, 1970--71; President, 1971-84
• Office of Scientific Research and Development, Member, Section on Instruments, 1940-42; Chief, Section 16.1, Optical Instruments, 1942-45
• Harvard College Observatory, Research Associate, 1947-54
• Massachusetts Institute of Technology, Research Associate (part-time), 1947-48
• Harvard Medical School, Henry E. Warren Fellow in Surgery, 1946-48
• Peter Bent Brigham Hospital, Associate in Surgery, 1946-48
• Strong Memorial Hospital, University of Rochester, Interne in Medicine, 1948-49
• University of Rochester, Institute of Optics and Department of Medicine, Research Associate, 1949-57
• Australian National University, Department of Astronomy, Reader in Optics and Personal Professor, 1957-64
• University of Tasmania, Department of Physics, Senior Research Fellow, 1965-1970
• National Science Foundation Senior Fellow, 1967-68
• Harvard College Observatory, Honorary Associate, 1971-84