National Museum of Nuclear Science & History
M. Thon worked for the Roane-Anderson Company.
William A. Hichler was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
J. R. Simpson worked for the Edenfield Electric Company.
Norman W. Ray served as a captain in the 393rd Bombardment Squadron.
William Pickel worked for the Western Union Telegraph Company.