Physicist, Award Winner
1895 – 1976
Who was Henrik Dam?
He was awarded the Nobel Prize in Medicine in 1943 for joint work with Edward Doisy work in discovering vitamin K and its role in human physiology. Dam's 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.
He received an undergraduate degree in chemistry from the Copenhagen Polytechnic Institute in 1920, and was appointed as assistant instructor in chemistry at the School of Agriculture and Veterinary Medicine. By 1923 he had attained the post of instructor in biochemistry at Copenhagen University's Physiological Laboratory. He studied microchemistry at the University of Graz under Fritz Pregl in 1925, but returned to Copenhagen University, where he was appointed as an assistant professor at the Institute of Biochemistry in 1928, and assistant professor in 1929.
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