National Museum of Nuclear Science & History
Sidney Williams was a janitor at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
A. F. Aston worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Norma Gwendelyn Wentworth Mathis, wife of Gilbert P. Mathis, was a US Army Signals Corps employee at Los Alamos.
Harry Prosceno worked for the United States Engineer District Office.