- Examples:
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Jean Louis Rodolphe Agassiz
United States naturalist (born in Switzerland) who studied fossil fish; recognized geological evidence that ice ages had occurred in North America (1807-1873)
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Roy Chapman Andrews
United States naturalist who contributed to paleontology and geology (1884-1960)
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Georges Leopold Chretien Frederic Dagobert Cuvier
French naturalist known as the father of comparative anatomy (1769-1832)
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Charles Robert Darwin
English natural scientist who formulated a theory of evolution by natural selection (1809-1882)
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Konrad von Gesner
Swiss naturalist who was one of the founders of modern zoology (1516-1565)
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William Henry Hudson
English naturalist (born in Argentina) (1841-1922)
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Baron Friedrich Heinrich Alexander von Humboldt
German naturalist who explored Central and South America and provided a comprehensive description of the physical universe (1769-1859)
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Jean Baptiste de Lamarck
French naturalist who proposed that evolution resulted from the inheritance of acquired characteristics (1744-1829)
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John Muir
United States naturalist (born in England) who advocated the creation of national parks (1838-1914)
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Lorenz Okenfuss
German naturalist whose speculations that plants and animals are made up of tiny living `infusoria' led to the cell theory (1779-1851)
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Georg Wilhelm Steller
German naturalist (1709-1746)
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Jan Swammerdam
Dutch naturalist and microscopist who proposed a classification of insects and who was among the first to recognize cells in animals and was the first to see red blood cells (1637-1680)
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Alfred Russel Wallace
English naturalist who formulated a concept of evolution that resembled Charles Darwin's (1823-1913)
