Who died more recently, Lev Vasilevsky, or Klaus Fuchs?
Lev Vasilevsky: Lev Vasilevsky (1904-1979), also known as Leonid A. Tarasov, was the KGB Mexico City Illegal Resident during much of the period of the Manhattan Project. Klaus Fuchs: Emil Julius Klaus Fuchs (29 December 1911 – 28 January 1988) was a German theoretical physicist and atomic spy who, in 1950, was convicted of supplying information from the American, British, and Canadian Manhattan Project to the Soviet Union during and shortly after the Second World War.
Klaus Fuchs