National Museum of Nuclear Science & History
Daniel J. Keefe was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Tyson Hamel worked for the Roane-Anderson Company.
A. B. Carper worked for the Tennessee Eastman Corporation at the Y-12 Plant.
R. J. Lewinson served in the 509th Headquarters and Base Services Squadron.