National Museum of Nuclear Science & History
David Greenglass (1922-2014) was a machinist and member of the Special Engineer Detachment who engaged in espionage activities for the Soviet Union at Los Alamos during the Manhattan Project.
R. O. Mitchell worked for the Roane-Anderson Company.
Bradley Marmon is a Manhattan Project veteran. Marmon was born in New York on November 15, 1925.
