National Museum of Nuclear Science & History
David Halsey worked for the J.A. Jones Construction Company.
James Peter Sytsma served as a private in the US Army. He was part of the Provisional Military Police Detachment No.
Ruby Kidd worked for the Kellex Corporation at the K-25 Plant.
Francis L. Friedman was a theoretical physicist and group leader at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
