National Museum of Nuclear Science & History
H. Cohen worked for the Roane-Anderson Company.
A. W. Naylor 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.
Gerald Landsman worked in the Instrument Section at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.