Ernst Boris Chain
Sir Ernst Boris Chain, FRS was a Germanborn British biochemist, and a 1945 corecipient of the Nobel Prize for Physiology or Medicine for his work on penicillin.
Chain was born in Berlin, the son of Margarete and Michael Chain, who was a chemist and industrialist dealing in chemical products. His family was Jewish. His father emigrated from Russia to study chemistry abroad and his mother was from Berlin. In 1930, he received his degree in chemistry from Friedrich Wilhelm University.
Source: Wikipedia