Edward Adelbert Doisy
American biochemist (1893-1986) · United States · Doctors · Died at 92
Edward Adelbert Doisy is read about 24 times a day, in 58 languages.
A typical day, 30 days to 17 September 2026
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Something wrong?He cracked the chemical code that explains why blood clots - and why it sometimes doesn't. The Nobel followed in 1943, shared with Henrik Dam, for pinning down vitamin K's structure and proving its role in coagulation.
A life in dates
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About this person
Doisy grew up in Hume, Illinois, took degrees at the University of Illinois and Harvard, and by 1919 had landed at Washington University School of Medicine. In 1923 he moved to Saint Louis University to chair a new biochemistry department, a post he held until retirement in 1965. In 1930 he and Adolf Butenandt independently isolated estrone - Butenandt got a Nobel for it in 1939; Doisy did not. A decade later came the work that did win: the isolation and structural determination of vitamin K, the molecule that makes blood clot. Elected to the National Academy of Sciences in 1938, he died in 1986; his family later endowed a health sciences college and a research center in his name.
Doctors from the United States 6
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