National Museum of Nuclear Science & History
M. G. Sonner worked for the J.A. Jones Construction Company.
John Sommer worked for the Roane-Anderson Company.
Marjorie B. Housewright was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
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.
