Edward Jenner
English physician, scientist and pioneer of vaccination (1749-1823)
Authors: naturalist
Number of authors: 50
Joseph Priestley
English chemist, theologian, educator, and political theorist (1733-1804)
David Starr Jordan
American ichthyologist and educator (1851-1931)
Theodore Roosevelt
26th President of the United States from 1901 to 1909
Gerald Durrell
British naturalist, writer and television presenter (1925-1995)
Henry David Thoreau
American essayist, poet, and philosopher (1817-1862)
Hermann von Helmholtz
German physicist and physiologist (1821-1894)
Samuel George Morton
American physician and naturalist (1799-1851)
Erasmus Darwin
English physician (1731-1802)
Loren Eiseley
American philosopher (1907-1977)
Henry Beston
American writer (1888-1968)
Harry Johnston
British explorer, botanist, linguist and colonial administrator (1858-1927)
