Hans von Euler-Chelpin

Hans Karl August Simon von Euler-Chelpin was a German-born Swedish biochemist. He won the Nobel Prize in Chemistry in 1929 with Arthur Harden for their investigations on the fermentation of sugar and enzymes. He was a professor of general and organic chemistry at Stockholm University (1906–1941) and the director of its Institute for organic-chemical research (1938–1948). Euler-Chelpin married Astrid Cleve, the daughter of the Uppsala chemist Per Teodor Cleve and was distantly related to Leonhard Euler. In 1970, his son Ulf von Euler, was awarded the Nobel Prize in Physiology or Medicine.