National Museum of Nuclear Science & History
George Maronde was a security guard at the University of Chicago Metallurgical Lab. He stood guard outside Stagg Field when Chicago Pile-1 went critical on December 2, 1942.
E. M. Pownall worked for the Edenfield Electric Company.
A. B. Pruitt worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Roseph Reisberg was a staff worker at Los Alamos during the Manhattan Project.
