Otto Fritz Meyerhof

Otto Fritz Meyerhof (April 12, 1884 - October 6, 1951) was a German doctor and biochemist of Jewish descent. He won the 1922 Nobel Prize in Physiology or Medicine, for finding out how oxygen makes chemical changes in lactic acid in muscles.
In 1940, Meyerhof fled to the United States, where he continued his academic career.