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Carl B. Anderson
1889–1983
Hydrogeology



Elwood Atherton
1909–2000
Stratigraphy



H. Foster Bain
1871–1948
First Director (Chief)
Minerals


Frank C. Baker
1867–1942
Invertebrate Paleontology



James W. Baxter
1927–1996
Industrial Minerals



Carl A. Bays
1914–1967
Groundwater Geophysics



Alfred H. Bell
1895–1977
Petroleum Geology



Alburto Bement
1861–1946
Advocate; Coal



Robert E. Bergstrom
1923–1996
Sixth Chief
Hydrogeology


Raymond S. Blatchley
1883–1953
Petroleum Geology



Willis S. Blatchley
1859–1940
Petroleum Geology



Charles C. Boley
1911–1996
Coal Engineering



James C. Bradbury
1918–2005
Industrial Minerals



William F. Bradley
1908–1973
Clay Mineralogy



J. Harlen Bretz
1882–1981
Geological Mapping and
Geological Processes


Hubert M. Bristol
1915–2003
Petroleum Geology



Merlyn B. Buhle
1905–1979
Groundwater Geophysics



Gilbert H. Cady
1882–1970
Coal Geology



Thomas C. Chamberlin
1843–1928
Advocate; Glacial Geology

Frank W. DeWolf
1881–1957
Second Director (Chief);
Coal Geology


George E. Ekblaw
1895–1972
Engineering Geology



Nevin M. Fenneman
1865–1945
Physiography



Glenn C. Finger
1905–1988
Fluorine Chemistry



John C. Frye
1912–1982
Fourth Chief;
Glacial Geology


Ralph E. Grim
1902–1989
Clay Mineralogy



James E. Hackett
1922–2003
Environmental Geology



John A. Harrison
1916–1967
Coal Petrography



C. Leland Horberg
1910–1955
Hydrogeology



M. King Hubbert
1903–1989
Groundwater Geophysics



Harold W. Jackman
1901–1979
Minerals Engineering



W. Hilton Johnson
1935–1997
Glacial Geology



Lois S. Kent
1912–1999
Paleontology



Robert M. Kosanke
1917–1996
Palynology



John E. Lamar
1897–1979
Industrial Minerals



Morris M. Leighton
1877–1971
Third Chief;
Glacial Geology


Heinz A. Lowenstam
1912–1993
Paleoecology



Louis C. McCabe
1904–1978
Coal Combustion



Paul MacClintock
1891–1970
Glacial Geology

J. Stewart Machin
1893–1973
Silicate Chemistry



G. Burke Maxey
1917–1977
Hydrogeology



Wayne F. Meents
1912–1996
Petroleum Geology



Adolph C. Noé
1873–1939
Paleobotany



Samuel W. Parr
1857–1931
Coal Chemistry



Robert J. Piersol
1890–1969
Applied Physics



Wayne A. Pryor
1928–1997
Hydrogeology



Frank H. Reed
1890–1957
Geochemistry



Orin W. Rees
1898–1980
Analytical Chemistry



Hubert E. Risser
1914–1974
Mineral Economics



Charles W. Rolfe
1851–1934
Clay Products



Thomas E. Savage
1866–1947
Stratigraphy



James M. Schopf
1911–1978
Palynology



E. Wesley Shaw
1881–1935
Geological Mapping



Raymond Siever
1923–2004
Regional Geology



Jack A. Simon
1919–2005
Fifth Chief;
Coal Geology


W. Calhoun Smith
1915–1985
Engineering Geology



William H. Smith
1919–1988
Coal Resources



Frederick J. Squires
1879–1956
Petroleum Engineering

Arle H. Sutton
1896–1972
Stratigraphy



David H. Swann
1915–1968
Regional Geology



Josephus Thomas Jr.
1927–1983
Physical Chemistry



Enid Townley
1900–1983
Geological Administration



Johan A. Udden
1859–1932
Geological Mapping



Walter H. Voskuil
1892–1984
Mineral Economics



Harold R. Wanless
1898–1970
Stratigraphy



J. Marvin Weller
1899–1976
Stratigraphy and Paleontology



Stuart Weller
1870–1927
Stratigraphy and Geological Mapping


George W. White
1903–1985
History of Geology



W. Arthur White
1916–1998
Clay Mineralogy



Lester L. Whiting
1905–1982
Petroleum Geology



Harold B. "Bo" Willman
1901–1984
Stratigraphy



George M. Wilson
1915–1983
Educational Extension



Lewis E. Workman
1899–1990
Subsurface Geology



G. Robert Yohe
1904–1979
Organic Chemistry



Lewis E. Young
1878–1953
Mining Engineering