September 16th
1853 Albrecht Kossel, researcher in chemistry of cells and proteins; Nobel Prize in Physiology or Medicine (1910) in recognition of the contributions to our knowledge of cell chemistry made through his work on proteins, including the nucleic substances.
1893 Albert Szent-Györgyi isolated ascorbic acid (Vitamin C); researcher on bioenergetics, carbohydrate metabolism and cellular oxidation; Nobel Prize in Physiology or Medicine Nobel Prize in Physiology or Medicine (1937) for his discoveries in connection with the biological combustion processes, with special reference to vitamin C and the catalysis of fumaric acid.