National Museum of Nuclear Science & History
H. Cohen worked for the Roane-Anderson Company.
Richard Apple was a research associate at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.
A Missourian by birth, W.K. ("Mac") MacCready held undergraduate and graduate degrees in physical chemistry from the University of Alabama.
H.A. Fettinger was a junior physicist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
