Erik Christian Clemmensen

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Erik Christian Clemmensen (* 1876 in Odense ; † May 21, 1941 ) was a Danish-American chemist .

Clemmensen studied at the Polytechnic in Copenhagen . He emigrated to the USA in 1900 and worked in the pharmaceutical industry (Parke, Davis and Co.). There he discovered the Clemmensen reduction named after him in 1913 . The University of Copenhagen awarded him a doctorate for the discovery . In 1914 he was one of the co-founders of the Commonwealth Chemical Corporation, which merged with Mathiesen Alkali Works in 1923 and was taken over by Monsanto after a fire in 1929 . Clemmensen worked there on organic phosphates and thiophosphates. In 1933 he founded the Clemmensen Chemical Corporation.

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