National Museum of Nuclear Science & History
P. M. Putnam worked for the J.A. Jones Construction Company.
Paul Gerhard worked for the Kellex Corporation at the K-25 Plant.
Thomas Farrell (1891 – 1967) was a major general in the US Army. Farrell was hand-picked by General Groves to serve as his deputy, or as the Deputy Commanding General of the Manhattan Project.
William Rubinson was a chemist at the Metallurgical Laboratory in Chicago during the Manhattan Project.
