George Gaylord Simpson

George Gaylord Simpson (June 16, 1902 – October 6, 1984) was an American paleontologist. He was an expert on extinct mammals and their intercontinental migrations.

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Simpson was the most influential paleontologist of the twentieth century and a major participant in the Modern synthesis. He was Professor of zoology at Columbia University and curator of the Department of Geology and Paleontology at the American Museum of Natural History from 1945 to 1959. He was curator of the Museum of Comparative Zoology at Harvard University from 1959 to 1970.

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His main publications were Tempo and Mode in Evolution (1944) and Principles of Classification and a Classification of Mammals (1945).

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June 16: June 16 is the 167th day of the year in the Gregorian calendar (168th in leap years), with 198 days remaining....

1902: 1902 was a common year starting on Wednesday (see link for calendar)....

October 6: October 6 is the 279th day of the year (280th in Leap years). There are 86 days remaining....

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