- male, deceased (1914)
- John Muir was one of the first modern preservationists. His letters, essays, and books telling of his adventures in nature, and wildlife,...
- male, deceased (1862)
- Henry David Thoreau (July 12, 1817 – May 6, 1862; born David Henry Thoreau) was an American author, naturalist, transcendentalist, tax resister, de...
- male, 80 years old
- Edward Osborne Wilson (born June 10, 1929) is an American biologist (Myrmecology, a branch of entomology), researcher (sociobiology, biodiversity),...
- male, deceased (1851)
- John James Audubon (April 26, 1785 - January 27, 1851) was a French-American ornithologist, naturalist, hunter, and painter. He painted,...
- male, deceased (1913)
- Alfred Russel Wallace OM, FRS (8 January 1823 - 7 November 1913) was a British naturalist, explorer, geographer, anthropologist and biologist. He...
- female, deceased (1964)
- Rachel Louise Carson (May 27, 1907 - April 14, 1964) was an American marine biologist and nature writer whose landmark book, "Silent Spring", is...
- male, 83 years old
- Sir David Frederick Attenborough, OM, CH, CVO, CBE, FRS (born on 8 May 1926 in London, England) is one of the world's best known broadcasters and...
- male, deceased (1705)
- John Ray (November 29, 1627 - January 17, 1705) was an English naturalist, sometimes referred to as the father of English natural history. Until...
- male, deceased (2006)
- Stephen Robert "Steve" Irwin, nicknamed "The Crocodile Hunter", was an Australian wildlife expert and television personality. He achieved...
- male, deceased (1996)
- Roger Tory Peterson, was an American naturalist, ornithologist, artist, and educator, and held to be one of the founding inspirations for the 20th...
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