# Henrik Dam > Danish biochemist and physiologist (1895-1976) **Wikidata**: [Q190501](https://www.wikidata.org/wiki/Q190501) **Wikipedia**: [English](https://en.wikipedia.org/wiki/Henrik_Dam) **Source**: https://4ort.xyz/entity/henrik-dam ## Summary Henrik Dam was a Danish biochemist and physiologist best known for his discovery of vitamin K and its role in blood coagulation. His groundbreaking research earned him the Nobel Prize in Physiology or Medicine in 1943, solidifying his legacy as a pioneering figure in nutritional biochemistry. ## Biography - **Born**: February 21, 1895, in Copenhagen, Denmark - **Nationality**: Danish - **Education**: Studied at the University of Copenhagen (degree and years not specified in source material) - **Known for**: Discovery of vitamin K and its function in blood clotting - **Employer(s)**: University of Copenhagen, Technical University of Denmark - **Field(s)**: Biochemistry, physiology ## Contributions Henrik Dam's most significant contribution was the discovery of vitamin K in 1939, a fat-soluble vitamin essential for blood coagulation. His research demonstrated that vitamin K deficiency leads to hemorrhagic disease in chickens, a finding that later proved crucial for understanding human blood clotting disorders. This discovery laid the foundation for the development of vitamin K supplements and therapies for bleeding disorders. Dam's work was recognized with the Nobel Prize in Physiology or Medicine in 1943, which he shared with Edward Adelbert Doisy, who independently identified the chemical structure of vitamin K. ## FAQs **What did Henrik Dam discover?** Henrik Dam discovered vitamin K, a vital nutrient that plays a key role in blood coagulation. His research showed that a deficiency in this vitamin leads to uncontrolled bleeding, a condition he first observed in chickens. **Where did Henrik Dam work?** Dam was affiliated with the University of Copenhagen and the Technical University of Denmark, where he conducted his groundbreaking research on vitamin K. **What award did Henrik Dam receive for his work?** He was awarded the Nobel Prize in Physiology or Medicine in 1943 for his discovery of vitamin K and its importance in biological processes. **What is vitamin K, and why is it important?** Vitamin K is a fat-soluble vitamin essential for blood clotting. Dam's discovery revealed its critical role in preventing hemorrhagic diseases, leading to medical applications in treating bleeding disorders. ## Why They Matter Henrik Dam's discovery of vitamin K revolutionized the understanding of blood coagulation and nutritional biochemistry. His work provided the scientific basis for treating and preventing bleeding disorders, saving countless lives. The identification of vitamin K also advanced the field of nutrition science, highlighting the importance of micronutrients in human health. Dam's research influenced subsequent studies in hematology and metabolic diseases, making him a foundational figure in modern biochemistry. ## Notable For - Discovering vitamin K and its role in blood coagulation - Winning the Nobel Prize in Physiology or Medicine in 1943 - Conducting pioneering research at the University of Copenhagen and Technical University of Denmark - Establishing the link between vitamin K deficiency and hemorrhagic disease - Contributing foundational knowledge to the fields of biochemistry and physiology ## Body ### Early Life and Education Henrik Carl Peter Dam was born on February 21, 1895, in Copenhagen, Denmark. He pursued his higher education at the University of Copenhagen, where he developed an interest in biochemistry and physiology. His academic background laid the groundwork for his later discoveries in nutritional science. ### Discovery of Vitamin K Dam's most significant scientific achievement came in 1939 when he identified vitamin K as a crucial factor in blood coagulation. His experiments with chickens demonstrated that a deficiency in this vitamin led to excessive bleeding, a condition that could be reversed with dietary supplementation. This discovery was groundbreaking, as it revealed the existence of a previously unknown nutrient essential for health. ### Nobel Prize and Recognition In 1943, Henrik Dam was awarded the Nobel Prize in Physiology or Medicine for his discovery of vitamin K. He shared the prize with Edward Adelbert Doisy, who independently determined the chemical structure of the vitamin. The Nobel Committee recognized their work for its profound impact on medicine and nutrition. ### Academic Affiliations Dam was affiliated with two major Danish institutions: the University of Copenhagen and the Technical University of Denmark. These affiliations provided him with the resources and collaborative environment necessary for his research. His work at these institutions contributed to Denmark's reputation as a center for scientific innovation. ### Legacy and Impact Henrik Dam's discovery of vitamin K had far-reaching implications for medicine and public health. It led to the development of vitamin K supplements, which are now routinely used to prevent and treat bleeding disorders in newborns and patients with clotting deficiencies. His work also inspired further research into the biochemical pathways involved in blood coagulation, influencing the fields of hematology and metabolic science. ### Later Life and Death Henrik Dam continued his research and teaching until his death on April 17, 1976. His contributions to biochemistry and physiology remain influential, and his discovery of vitamin K is still a cornerstone of nutritional science. ## References 1. Integrated Authority File 2. Find a Grave 3. BnF authorities 4. [The Nobel Prize in Physiology or Medicine 1943. nobelprize.org](https://www.nobelprize.org/prizes/medicine/1943/summary/) 5. [Table showing prize amounts. Nobel Foundation. 2019](https://www.nobelprize.org/uploads/2019/04/prize-amounts-2020.pdf) 6. International Standard Name Identifier 7. Virtual International Authority File 8. Encyclopædia Britannica Online 9. Brockhaus Enzyklopädie 10. Dansk Biografisk Leksikon 11. Gran Enciclopèdia Catalana 12. Proleksis Encyclopedia 13. Croatian Encyclopedia 14. Freebase Data Dumps. 2013 15. nobelprize.org