Harlan Lewis
(1919-2008)
American botanist
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Frank Harlan Lewis (January 8, 1919 – December 12, 2008), known professionally as Harlan Lewis, was an American botanist, geneticist, taxonomist, systematist, and evolutionist who worked primarily with plants in the genus Clarkia. He is best known for his theories of "catastrophic selection" and "saltational speciation", which are closely aligned with the concepts of quantum evolution and sympatric speciation. The concepts were first articulated in 1958 by Lewis and Peter H. Raven, and later refined in a 1962 paper by Lewis in which he coined the term "catastrophic selection". In 1966, he referred to the same mechanism as "saltational speciation".
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| Born |
8 January 1919 Redlands, California
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| Died |
12 December 2008 (aged 89) Pacific Palisades, Los Angeles
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| Zodiac | Capricorn |
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