Hans Karl Au·gust Si·mon von /hɑns kɑrl ˈaʊgʊst ˈzimɔn fən/Show Spelled[hahns kahrl ou-goost zee-mawn fuhn]Show IPA, 1873–1964, German chemist in Sweden: Nobel prize 1929.
Hans (Karl August) von. 1873--1964, Swedish biochemist, born in Germany: shared the Nobel prize for chemistry (1929) with Sir Arthur Harden for their work on enzymes: father of Ulf von Euler