BOWIE
1920-1922, 1929-1932

William Bowie, geodesist, born near Annapolis, Md., May 6, 1872; died August 28, 1940. C.E., 1895, Lehigh Univ. U.S. Coast and Geodetic Survey, 1909-1936, Chief, Division of Geodesy. Very active in formation of AGU and IUGG. President of International Section (Association) of Geodesy, 1920-1933; President of IUGG, 1933-1936. First recipient of William Bowie Medal, 1939, now AGU's most prestigious award.

BAUER
1922-1924

Louis Agricola Bauer, magnetician, born Cincinnati, Ohio, January 26, 1865; died April 12, 1932. C.E., 1888, Univ. of Cincinnati; Ph.D., 1895, Berlin. First Chief, Division of Terrestrial Magnetism, U.S. Coast and Geodetic Survey, 1899. First Director, Carnegie Department of Terrestrial Magnetism and Electricity, 1904. Very active in formation of AGU and IUGG. President of International Section (Association) of Terrestrial Magnetism and Electricity, 1927-1930.

REID
1924-1926

Harry Fielding Reid, seismologist, born Baltimore, Md., May 18, 1859; died June 18, 1944. Ph.D., 1885, Johns Hopkins Univ. Taught at Case School of Applied Science; taught at Johns Hopkins Univ., 1894-1930. Introduced the term "elastic rebound" in report of 1906 San Francisco earthquake.

WASHINGTON
1926-1929

Henry Stephens Washington, petrologist, born Newark, N.J., January 15, 1867; died January 7, 1934. A.B., 1886, Yale Univ.; Ph.D., 1893, Leipzig. Taught briefly at Yale; private laboratory at Locust, N.J.; Carnegie Geophysical Laboratory, 1912-1934. Scientific Attache, U.S. Embassy in Rome, 1918-1919; Brussels meeting for formation of IUGG, 1919.

HUMPHREYS
1932-1935

William Jackson Humphreys, physicist, born Gap Mills, W.Va., February 3, 1862; died November 10, 1949. Ph.D., 1897, Johns Hopkins Univ. Director, Mt. Weather Observatory, Va., 1905. Continued in U.S. Weather Bureau until 1936. Professor of Meteorological Physics, George Washington Univ., 1911-1933.

HECK
1935-1938

Nicholas Hunter Heck, engineer, born Hecton Mills, Pa., September 1, 1892; died December 21, 1953. C.E., 1904, Lehigh Univ. U.S. Coast and Geodetic Survey, 1904-1945; Chief, Division of Terrestrial Magnetism and Seismology, 1925-1945. President, Section of Oceanography, 1924-1926; Section of Terrestrial Magnetism and Electricity, 1926-1929; Section of Seismology, 1929-1932. Received William Bowie Medal, 1942.

FIELD
1938-1941

Richard Montgomery Field, geologist, born Jamaica Plain, Mass., April 21, 1885; died September 17, 1961. Ph.D., 1918, Harvard Univ. Taught at Massachusetts Institute of Technology and Brown Univ. Professor of Geology, Princeton Univ., 1923-1950. Chairman of Special Committee on Geophysical and Geological Study of Ocean Basins 1932-1941. Received William Bowie Medal, 1954.