Henrik Dam
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Henrik Dam (Full name Carl Peter Henrik Dam) (February 21, 1895 – April 17, 1976) was a Danish biochemist and physiologist.
He was awarded the Nobel Prize in Medicine in 1943 for his work in discovering vitamin K and its role in human physiology. His key experiment involved feeding a cholesterol-free diet to chickens. The chickens began hemmoraging and bleeding uncontrollably after a few weeks. Dam isolated the dietary substance needed for blood clotting and called it the "coagulation vitamin" or Koagulations Vitamin in Danish, which became shortened to vitamin K.
He was born and died in Copenhagen.
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1926: Fibiger | 1927: Wagner-Jauregg | 1928: Nicolle | 1929: Eijkman, Hopkins | 1930: Landsteiner | 1931: Warburg | 1932: Sherrington, Adrian | 1933: Morgan | 1934: Whipple, Minot, Murphy | 1935: Spemann | 1936: Dale, Loewi | 1937: Szent-Györgyi | 1938: Heymans | 1939: Domagk | 1943: Dam, Doisy | 1944: Erlanger, Gasser | 1945: Fleming, Chain, Florey | 1946: Muller | 1947: C.Cori, G.Cori, Houssay | 1948: Müller | 1949: Hess, Moniz | 1950: Kendall, Reichstein, Hench |
