Tag: Physiology or Medicine
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The first description of DNA: A six million dollar letter from Francis to Michael Crick
Marshall A. Lichtman Rochester, New York, United States Figure 1. The boyish appearing James Watson (left) and the Francis Crick with their three-dimensional model of DNA in their Cavendish Laboratory office at Cambridge University, United Kingdom. Circa 1953. Photo credit: A. Barrington Brown/Science Photo Library. Via the Rockefeller University Digital Commons. In the April 25,…
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Karl Landsteiner and the discovery of blood groups
Safia BenaissaMostganem, Algeria Karl Landsteiner was the Austrian scientist who recognized that humans had different blood groups and made it possible for physicians to transfuse blood safely. He entered medical school at the University of Vienna, where he developed an interest in chemistry. After taking off a year to complete his military service he returned…