ISGS - Our Heritage—A Memorial

Carl B. Anderson 1889–1983 Hydrogeology	Frank W. DeWolf 1881–1957 Second Director (Chief); Coal Geology	J. Stewart Machin 1893–1973 Silicate Chemistry	Arle H. Sutton 1896–1972 Stratigraphy

Elwood Atherton 1909–2000 Stratigraphy	George E. Ekblaw 1895–1972 Engineering Geology	G. Burke Maxey 1917–1977 Hydrogeology	David H. Swann 1915–1968 Regional Geology

H. Foster Bain 1871–1948 First Director (Chief) Minerals	Nevin M. Fenneman 1865–1945 Physiography	Wayne F. Meents 1912–1996 Petroleum Geology	Josephus Thomas Jr. 1927–1983 Physical Chemistry

Frank C. Baker 1867–1942 Invertebrate Paleontology	Glenn C. Finger 1905–1988 Fluorine Chemistry	Adolph C. Noé 1873–1939 Paleobotany	Enid Townley 1900–1983 Geological Administration

James W. Baxter 1927–1996 Industrial Minerals	John C. Frye 1912–1982 Fourth Chief; Glacial Geology	Samuel W. Parr 1857–1931 Coal Chemistry	Johan A. Udden 1859–1932 Geological Mapping

Carl A. Bays 1914–1967 Groundwater Geophysics	Ralph E. Grim 1902–1989 Clay Mineralogy	Robert J. Piersol 1890–1969 Applied Physics	Walter H. Voskuil 1892–1984 Mineral Economics

Alfred H. Bell 1895–1977 Petroleum Geology	James E. Hackett 1922–2003 Environmental Geology	Wayne A. Pryor 1928–1997 Hydrogeology	Harold R. Wanless 1898–1970 Stratigraphy

Alburto Bement 1861–1946 Advocate; Coal	John A. Harrison 1916–1967 Coal Petrography	Frank H. Reed 1890–1957 Geochemistry	J. Marvin Weller 1899–1976 Stratigraphy and Paleontology

Robert E. Bergstrom 1923–1996 Sixth Chief Hydrogeology	C. Leland Horberg 1910–1955 Hydrogeology	Orin W. Rees 1898–1980 Analytical Chemistry	Stuart Weller 1870–1927 Stratigraphy and Geological Mapping

Raymond S. Blatchley 1883–1953 Petroleum Geology	M. King Hubbert 1903–1989 Groundwater Geophysics	Hubert E. Risser 1914–1974 Mineral Economics	George W. White 1903–1985 History of Geology

Willis S. Blatchley 1859–1940 Petroleum Geology	Harold W. Jackman 1901–1979 Minerals Engineering	Charles W. Rolfe 1851–1934 Clay Products	W. Arthur White 1916–1998 Clay Mineralogy

Charles C. Boley 1911–1996 Coal Engineering	W. Hilton Johnson 1935–1997 Glacial Geology	Thomas E. Savage 1866–1947 Stratigraphy	Lester L. Whiting 1905–1982 Petroleum Geology

James C. Bradbury 1918–2005 Industrial Minerals	Lois S. Kent 1912–1999 Paleontology	James M. Schopf 1911–1978 Palynology	Harold B. "Bo" Willman 1901–1984 Stratigraphy

William F. Bradley 1908–1973 Clay Mineralogy	Robert M. Kosanke 1917–1996 Palynology	E. Wesley Shaw 1881–1935 Geological Mapping	George M. Wilson 1915–1983 Educational Extension

J. Harlen Bretz 1882–1981 Geological Mapping and Geological Processes	John E. Lamar 1897–1979 Industrial Minerals	Raymond Siever 1923–2004 Regional Geology	Lewis E. Workman 1899–1990 Subsurface Geology

Hubert M. Bristol 1915–2003 Petroleum Geology	Morris M. Leighton 1877–1971 Third Chief; Glacial Geology	Jack A. Simon 1919–2005 Fifth Chief; Coal Geology	G. Robert Yohe 1904–1979 Organic Chemistry

Merlyn B. Buhle 1905–1979 Groundwater Geophysics	Heinz A. Lowenstam 1912–1993 Paleoecology	W. Calhoun Smith 1915–1985 Engineering Geology	Lewis E. Young 1878–1953 Mining Engineering

Gilbert H. Cady 1882–1970 Coal Geology	Louis C. McCabe 1904–1978 Coal Combustion	William H. Smith 1919–1988 Coal Resources

Thomas C. Chamberlin 1843–1928 Advocate; Glacial Geology	Paul MacClintock 1891–1970 Glacial Geology	Frederick J. Squires 1879–1956 Petroleum Engineering

Updated 8/17/2009 CAB

ILLINOIS STATE GEOLOGICAL SURVEY
E. Donald McKay, III, Interim Director

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ISGS - Our Heritage—A Memorial