|
Thomas C. Chamberlin |
1843 to 1928 |
Advocate; Glacial Geology |
|
Charles W. Rolfe |
1850 to 1917 |
Advocate |
|
Samuel W. Parr |
1857 to 1931 |
Coal Chemistry |
|
Willis S. Blatchley |
1859 to 1940 |
Petroleum Geology |
|
Johan A. Udden |
1859 to 1932 |
Geological Mapping |
|
Alburto Bement |
1861 to 1946 |
Advocate; Coal |
|
Nevin M. Fenneman |
1865 to 1945 |
Physiography |
|
Thomas E. Savage |
1866 to 1947 |
Stratigraphy |
|
Frank C. Baker |
1867 to 1942 |
Invertebrate Paleontology |
|
Stuart Weller |
1870 to 1927 |
Stratigraphy and Geological Mapping |
|
H. Foster Bain |
1871 to 1948 |
First Director (Chief); Minerals |
|
Adolph C. Noé |
1873 to 1939 |
Paleobotany |
|
Morris M. Leighton |
1877 to 1971 |
Third Chief; Glacial Geology |
|
Lewis E. Young |
1878 to 1953 |
Mining Engineering |
|
Frederick J. Squires |
1879 to 1956 |
Petroleum Engineering |
|
E. Wesley Shaw |
1881 to 1935 |
Geological Mapping |
|
Frank W. DeWolf |
1881 to 1957 |
Second Director (Chief); Coal Geology |
|
Gilbert H. Cady |
1882 to 1970 |
Coal Geology |
|
J. Harlen Bretz |
1882 to 1981 |
Geological Mapping and Geological Processes |
|
Raymond S. Blatchley |
1883 to 1953 |
Petroleum Geology |
|
Charles C. Boley |
1883 to 1953 |
Coal Engineering |
|
Carl B. Anderson |
1889 to 1983 |
Hydrogeology |
|
Robert J. Piersol |
1890 to 1969 |
Applied Physics |
|
Frank H. Reed |
1890 to 1957 |
Geochemistry |
|
Paul MacClintock |
1891 to 1970 |
Environmental Geology |
|
Walter H. Voskuil |
1892 to 1984 |
Mineral Economics |
|
J. Stewart Machin |
1893 to 1973 |
Silicate Chemistry |
|
George E. Ekblaw |
1895 to 1972 |
Engineering Geology |
|
Alfred H. Bell |
1895 to 1977 |
Petroleum Geology |
|
Arle H. Sutton |
1896 to 1972 |
Stratigraphy |
|
John E. Lamar |
1897 to 1979 |
Industrial Minerals |
|
Orin W. Rees |
1898 to 1980 |
Analytical Chemistry |
|
Harold R. Wanless |
1898 to 1970 |
Stratigraphy |
|
J. Marvin Weller |
1899 to 1976 |
Stratigraphy and Paleontology |
|
Lewis E. Workman |
1899 to 1990 |
Subsurface Geology |
|
Enid Townley |
1900 to 1983 |
Geological Administration |
|
G. Robert Yohe |
1901 to 1979 |
Organic Chemistry |
|
Harold B. "Bo" Willman |
1901 to 1984 |
Stratigraphy |
|
Harold W. Jackman |
1901 to 1979 |
Minerals Engineering |
|
Ralph E. Grim |
1902 to 1989 |
Clay Mineralogy |
|
M. King Hubbert |
1903 to 1989 |
Groundwater Geophysics |
|
George W. White |
1903 to 1985 |
History of Geology |
|
Louis C. McCabe |
1904 to 1978 |
Coal Combustion |
|
Glenn C. Finger |
1905 to 1988 |
Fluorine Chemistry |
|
Lester L. Whiting |
1905 to 1982 |
Petroleum Geology |
|
Merlyn B. Buhle |
1905 to 1979 |
Groundwater Geophysics |
|
William F. Bradley |
1908 to 1973 |
Clay Mineralogy |
|
Elwood Atherton |
1909 to 2000 |
Stratigraphy |
|
C. Leland Horberg |
1910 to 1955 |
Hydrogeology |
|
James M. Schopf |
1911 to 1978 |
Palynology |
|
Lois S. Kent |
1912 to 1999 |
Paleontology |
|
John C. Frye |
1912 to 1982 |
Fourth Chief; Glacial Geology |
|
Heinz A. Lowenstam |
1912 to 1993 |
Paleoecology |
|
Wayne F. Meents |
1912 to 1996 |
Petroleum Geology |
|
Carl A. Bays |
1914 to 1967 |
Groundwater Geophysics |
|
Hubert E. Risser |
1914 to 1974 |
Mineral Economics |
|
George M. Wilson |
1915 to 1983 |
Educational Extension |
|
W. Calhoun Smith |
1915 to 1985 |
Engineering Geology |
|
Hubert M. Bristol |
1915 to 2003 |
Petroleum Geology |
|
David H. Swann |
1915 to 1968 |
Regional Geology |
|
W. Arthur White |
1916 to 1998 |
Clay Mineralogy |
|
John A. Harrison |
1916 to 1967 |
Coal Petrography |
|
G. Burke Maxey |
1917 to 1977 |
Hydrogeology |
|
Robert M. Kosanke |
1917 to 1996 |
Palynology |
|
James C. Bradbury |
1918 to 2005 |
Industrial Minerals |
|
Jack A. Simon |
1919 to 2005 |
Fifth Chief; Coal Geology |
|
William H. Smith |
1919 to 1988 |
Coal Resources |
|
James E. Hackett |
1922 to 2003 |
Environmental Geology |
|
Raymond Siever |
1923 to 2004 |
Regional Geology |
|
Charles Collinson |
1923 to 2011 |
Stratigraphy and Areal Geology, Head |
|
Robert E. Bergstrom |
1923 to 1996 |
Sixth Chief; Hydrogeology |
|
Josephus Thomas Jr. |
1927 to 1983 |
Physical Chemistry |
|
James W. Baxter |
1927 to 1996 |
Industrial Minerals |
|
Wayne A. Pryor |
1928 to 1997 |
Hydrogeology |
|
W. Hilton Johnson |
1935 to 1997 |
Glacial Geology |
