National Museum of Nuclear Science & History
Henry DeWolf Smyth (1898-1986) was an American physicist, diplomat, and bureaucrat. During World War II, Smyth was a member of the National Defense Research Committee’s Uranium Section.
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.
Olga Nelson was a staff worker at Los Alamos during the Manhattan Project.