National Museum of Nuclear Science & History
H. G. Arnett worked for the Roane-Anderson Company.
Dennis Dwyer was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Fredrick “Fred” D. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Morris Werney served in the 1027th Air Material Squadron.
