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Comprehensive
Dictionary Suite
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Charles Darwin an English naturalist and writer who developed theories of biological evolution (b.1809--d.1882).
Henry David Thoreau a U.S. naturalist and writer (b.1817--d.1862).
Jean Baptiste Lamarck a French naturalist (b.1744--d.1829).
William Beebe U.S. naturalist, explorer, and author, who in 1934 made a record oceanic descent of 3,028 feet (923 meters) in a bathysphere (b.1877--d.1962).