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Henrik Dam

Henrik Dam (Full name Carl Peter Henrik Dam) (February 21, 1895 – April 17, 1976) was a Danish biochemist and physiologist.

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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 hemorrhaging and bleeding uncontrollably after a few weeks. Dam isolated the dietary substance needed for blood clotting and called it the "coagulation vitamin", which became shortened to vitamin K.

He was born and died in Copenhagen.

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Nobel Laureates in Physiology or Medicine

Johannes Fibiger (1926) • Julius Wagner-Jauregg (1927) • Charles Nicolle (1928) • Christiaan Eijkman / Frederick Hopkins (1929) • Karl Landsteiner (1930) • Otto Warburg (1931) • Charles Sherrington / Edgar Adrian (1932) • Thomas Morgan (1933) • George Whipple / George Minot / William Murphy (1934) • Hans Spemann (1935) • Henry Dale / Otto Loewi (1936) • Albert Szent-Györgyi (1937) • Corneille Heymans (1938) • Gerhard Domagk (1939) • Henrik Dam / Edward Doisy (1943) • Joseph Erlanger / Herbert Gasser (1944) • Alexander Fleming / Ernst Chain / Howard Florey (1945) • Hermann Muller (1946) • Carl Cori / Gerty Cori / Bernardo Houssay (1947) • Paul Müller (1948) • Walter Hess / Egas Moniz (1949) • Edward Kendall / Tadeusz Reichstein / Philip Hench (1950)