- William Beebe: Pioneering Deep-Sea Exploration & Naturalist
- Thomas Say: Pioneering American Naturalist & Entomologist
- Spencer Fullerton Baird: Pioneering American Naturalist & Smithsonian Leader
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- Raymond Lee Ditmars: Pioneer Herpetologist & Nature Documentarian
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- Joseph Banks: Pioneering Botanist and Explorer of Australia
- John Ray: Pioneering English Naturalist & Founder of Systematic Zoology
- John Murray: Pioneering British Oceanographer & Naturalist
- Edwin Way Teale: Naturalist, Author & Pulitzer Prize Winner
- Louis Agassiz: Pioneer Naturalist and Father of Glacial Geology
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- François Peron: Explorer and Early Description of Tasmanian Aborigines
- Svalbard Global Seed Vault: Preserving Crop Diversity for the Future
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- Sierra Club: Protecting America's Natural Environment | Sierra Club
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- Izaak Walton League of America: Preserving America's Natural Resources
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