Hans Karl August Simon Euler-Chelpin, since 28 July 1884 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. Wikipedia
Born: February 15, 1873, Augsburg, Germany
Died: November 6, 1964 (age 91 years), Stockholm, Sweden
Children: Ulf von Euler, Karin Stolpe, and Georg von Euler
Spouse: Astrid Cleve (m. 1902–1912)
Grandchildren: Lisette Schulman, Staffan Stolpe, and Benkt Stolpe
Award: Nobel Prize in Chemistry (1929)