Category
page 1American geologists
Herbert Hoover
president of the United States from 1929 to 1933 (1874–1964)

John Muir
Scottish-American naturalist (1838–1914)
Harrison Schmitt
Astronaut, geologist, politician, 12th man to walk on the moon (Apollo 17)
John Wesley Powell
American geologist (1834-1902)

John Hickenlooper
American politician, businessman and the 42nd Governor of Colorado (born 1952)
Walter Alvarez
American geologist
Thomas Chrowder Chamberlin
American geologist and educator (1843–1928)
Ferdinand Vandeveer Hayden
U.S geologist and surgeon (1829-1887)
Bruce C. Murray
American geologist and planetary scientist (1931-2013)
William Barton Rogers
American scientist, founder of MIT (1804-1882)
Daniel Barringer
American geologist (1860–1929)
John Bidwell
American politician (1819-1900)
William Henry Holmes
American academic, painter and illustrator (1846-1933)
William Libbey
American geographer, academic, sport shooter (1855–1927)
Israel Russell
American geologist (1852-1906)
William John McGee
American geologist & anthropologist (1853-1912)
Charles Baker Adams
United States educator and naturalist (1814-1853)

Clarence King
American geologist (1842-1901)
Carlotta Joaquina Maury
American paleontologist (1874-1938)
Joseph P. Iddings
United States Geological Survey, later professor, University of Chicago (1857-1920)
Bailey Willis
American geologist (1857–1949)
Waldemar Lindgren
American geologist (1860-1939)
William Maclure
geologist, cartographer, social theorist (1763-1840)

Christopher R. Scotese
American geologist
Joseph LeConte
American geologist (1823–1901)
Ebenezer Emmons
American geologist (1799-1863)
Marcus E. Jones
American geologist and botanist (1852–1934)
Charles Henry Hitchcock
United States geologist (1836-1919)
Edwin James
American botanist and geologist (1797-1861)
Alexandra Navrotsky
American physical chemist in the field of nanogeoscience
James Gates Percival
American geologist, poet, and surgeon (1795-1856)
Robert A. Berner
American scientist
R. A. F. Penrose Jr.
American mining geologist and entrepreneur (1863–1931)
Bertram Boltwood
American geologist (1870-1927)
Henry Stephens Washington
American geologist (1867-1934)
Sharon A. Hill
American geologist and science blogger
Paul Spudis
American geologist, astronomer
David White
geologist from the United States (1862-1935)
Raphael Pumpelly
American geologist (1837–1923)
Carle M. Pieters
American geologist

Benjamin Smith Lyman
US mining engineer (1835-1920)

Arthur Lakes
Geologist, artist, writer (1844-1917)

James E. Talmage
American Mormon leader (1862–1933)
John C. Branner
American geologist, professor of geology and President of Stanford University, Palo Alto (1850-1922)
James Furman Kemp
American geologist (1859–1926)
George Ferdinand Becker
American geologist (1847–1919)
John Peter Lesley
United States geologist (1819–1903)
Heinrich Ries
American geologist (1871–1951)
Charles R. Van Hise
American geologist (1857–1918)
Frank Bursley Taylor
American geologist (1860–1938)
George P. Merrill
American geologist and scientific writer (1854–1929)
William Tufts Brigham
American geologist, botanist, ethnologist and the first director of the Bernice P. Bishop Museum (1841-1926)
Brent Dalrymple
American geologist
Eugene W. Hilgard
German-American geologist (1833-1916)
Alfred Church Lane
American geologist and teacher (1863-1948)
T. Wayland Vaughan
U.S. geologist, paleontologist, and cnidariologist (1870–1952)
Israel C. White
American geologist
David Dale Owen
American geologist (1807-1860)
George V. Chilingar
American geologist
Warren Upham
American geologist (1850-1934)