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Frank Cooper Craighead Jr. (August 14, 1916 – October 21, 2001) and John Johnson Craighead (August 14, 1916 – September 18, 2016), twin brothers, were American conservationists, naturalists, and researchers who made important contributions to the study of falconry and grizzly bear biology. Born in Washington, D.C. where both graduated from Western High School in 1935, the brothers began collecting and identifying animals and plants they found alongside the Potomac, and soon expanded their interests to birds and hawks, going west in 1934 to begin studying falconry. After the war, during which they were employed as survival trainers, they each married and resumed their work in falconry. During the 1950s they expanded their work to other animals, including many species living in and around Yellowstone, and eventually separated.
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| Born |
14 August 1916 Washington, D.C., U.S.
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| Died |
21 October 2001 (aged 85) Missoula, Montana, U.S.
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| Zodiac | Leo |
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