(1911–88), German-born British physicist; full name Emil Klaus Julius Fuchs. He was a communist who fled Nazi persecution. During the 1940s he passed to the USSR secret information acquired while working on the development of the atom bomb in the US, and while engaged in research in Britain.
Definition of Fuchs, Klaus in US English:
Fuchs, Klaus
proper nounfo͝oks
(1911–88), British physicist; born in Germany; full name Emil Klaus Julius Fuchs. A communist who fled Nazi persecution, he passed secret information regarding the atom bomb to the former Soviet Union during the 1940s.