National Museum of Nuclear Science & History
N. N. Tracy worked for the J.A. Jones Construction Company.
Bruno Yurgaites 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.
Livingston worked in the 100 F Area at Hanford during the Manhattan Project.