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Dam, Carl Peter Henrik (1895–1976)





Carl Dam was a Dutch biologist who, in 1934, discovered vitamin K, the fat-soluble vitamin needed for blood clotting. He isolated it from hempseed and the seeds of other plants, and he also discovered in liver. For this work, he received the 1943 Nobel Prize in Physiology or Medicine, which he shared with Edward Doisy. In addition, he examined the roles other vitamins and lipids.


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   • BIOLOGISTS