Google doodle celebrates vitamin C discoverer – Today, Google celebrates the birthday of Hungarian physiologist Albert von Szent-Györgyi de Nagyrápolt (September 16, 1893 – October 22, 1986) who discovered vitamin C and the components and reactions of the citric acid cycle. He was awarded the 1937 Nobel Prize in Physiology or Medicine. He was also active in the Hungarian Resistance during World War II and entered Hungarian politics after the war.