Wordnet 3.0
NOUN (1)
1. 
 British physicist who was born in Germany and fled Nazi persecution; 
 in the 1940s he passed secret information to the USSR about the development of the atom bomb in the United States (1911-1988); 
[syn: Fuchs, Klaus Fuchs, Emil Klaus Julius Fuchs]
WordNet (r) 3.0 (2006):
Emil Klaus Julius Fuchs
    n 1: British physicist who was born in Germany and fled Nazi
         persecution; in the 1940s he passed secret information to
         the USSR about the development of the atom bomb in the
         United States (1911-1988) [syn: Fuchs, Klaus Fuchs,
         Emil Klaus Julius Fuchs]