National Museum of Nuclear Science & History
W. H. Leedom worked for the Roane-Anderson Company.
Hans von Halban (1908-1964) was an Austrian physicist. Being of Jewish descent, Halban left Austria in 1935 to avoid persecution by the Nazi regime.
Cloyd Marvin had been drafted into the Army, interrupting his education at Haverford University, in 1943 and joined the Special Engineer Detachment as a technician third grade, later being assigned to Los Alamos National Labs in 1947.
