Hampton Carson


1914 – 2004


Who was Hampton Carson?

Hampton Lawrence Carson was an eminent American biologist best known for his work on the chromosomes of new species of the fruit fly Drosophila and his contributions to our understanding of their evolution.

Carson was born in Philadelphia, Pennsylvania and studied zoology there at the University of Pennsylvania, receiving his A.B. degree in 1936 and his Ph.D. degree in 1943. His doctoral thesis on the cytogenetics of dark-winged fungus gnats was considered "definitive" by Dobzhansky.

Carson spent virtually all of his career at two universitiesWashington University in St. Louis and the University of Hawaiiexcept for sabbatical leaves to Brazil and Australia.

Carson studied the population genetics and polytene chromosome polymorphisms of the highly diverse Drosophila species in the Hawaiian islands and proposed that speciation of these flies in the island chain was tied to isolation caused by formation of new islands. New species were slightly different from those in the nearest island, and progressively more different from those in more distant islands. Within islands, he argued that isolation between some species was caused by lava flows creating different forest patches or kipukas, and that reproductive isolation was accelerated due to within deme sexual selection.

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Nov 5, 1914
  • United States of America
  • University of Pennsylvania
Dec 19, 2004

on July 23, 2013


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