Category
page 1American taxonomists
Thomas Jefferson
president of the United States from 1801 to 1809 (1743–1826)

Louis Agassiz
Swiss-American naturalist (1807–1873)
Edward Drinker Cope
American paleontologist, geologist, and biologist (1840–1897)
Othniel Charles Marsh
American paleontologist (1831–1899)
David Starr Jordan
American ichthyologist and educator (1851-1931)

Constantine Samuel Rafinesque
French naturalist (1783-1840)
Asa Gray
American botanist (1810–1888)
John C. Frémont
American politician, explorer and military officer (1813–1890)

Barnum Brown
American paleontologist (1873-1963)
Theodore Gill
American biologist (1837–1914)

Spencer Fullerton Baird
American naturalist, ornithologist, ichthyologist, museum curator, and the 2nd Secretary of the Smithsonian (1823-1887)

Thomas Say
American naturalist (1787-1834)
Clinton Hart Merriam
American zoologist and ornithologist (1855-1942)
Leonhard Hess Stejneger
biologist (1851-1943)
Gerrit Smith Miller Jr.
U.S. zoologist and botanist (1869–1956)
Arthur Cronquist
American botanist (1919–1992)
Elliott Coues
American ornithologist (1842–1899)
Alice Eastwood
Canadian American botanist (1859-1953)
Elmer Drew Merrill
U.S. botanist (1876–1956)
Sereno Watson
American botanist (1826-1892)
John Torrey
American botanist (1796–1873)
Outram Bangs
American ornithologist (1863–1932)
John Kunkel Small
American botanist (1869-1938)
George Engelmann
German-American physician and botanist (1809-1884)
Samuel Garman
American zoologist (1843–1927)
Edward Lee Greene
American botanist (1843-1915)
Kenneth Carpenter
paleontologist
Joseph Grinnell
American zoologist (1877-1939)
Henry Gleason
American ecologist (1882-1975)
George Henry Hamilton Tate
American zoologist and botanist (1894-1953)
Frederick Traugott Pursh
German-American botanist (1774-1820)
Philip Hershkovitz
U.S. zoologist (1909–1997)
Lewis David de Schweinitz
German-American botanist and mycologist (1780-1834) and member of the Moravian Church
John Merle Coulter
U.S. Botanist (1851-1928)
Albert Spear Hitchcock
American botanist and agrostologist (1865-1935)
Thomas Barbour
American zoologist (1884-1946)
Richard Harlan
American zoologist (1796-1843)
Edward Harrison Taylor
American herpetologist (1889-1978)
James L. Reveal
U.S. botanist (1941–2015)
Anna Murray Vail
American botanist, botanical collector, librarian and editor (1863-1955)
George Valentine Nash
American botanist (1864-1921)
Barton Warren Evermann
American ichthyologist (1853–1932)
Elisabeth Vrba
American paleontologist

Albert Kellogg
American botanist (1813–1887)
Robert Folger Thorne
American botanist (1920-2015)
Aven Nelson
U.S. botanist (1859–1952)
Doris Mable Cochran
American herpetologist (1898-1968)
Edward Hallowell
American scientist (1808-1860)
Louise H. Emmons
zoologist and neurobiologist
John Donnell Smith
American biologist and taxonomist (1829-1928)
Elmer S. Riggs
American paleontologist (1869–1963)
John Edwards Holbrook
American zoologist (1794-1871)

Amos Arthur Heller
American botanist (1867-1944)
Mary Elizabeth Banning
American mycologist (1822-1903)

Ann Haven Morgan
American zoologist and ecologist (1882-1966)
Henry Bryant Bigelow
American oceanographer (1879–1967)
Warren H. Wagner
American botanist (1920-2000)
Mildred Esther Mathias
American botanist, horticulturalist, botanical collector and university teacher (1906-1995)
Townshend Stith Brandegee
American botanist (1843-1925)
Frederick Vernon Coville
American botanist (1867-1937)