National Museum of Nuclear Science & History
R. W. McElwee worked for the Union Carbide & Carbon Corporation.
B. G. Rowland worked for the United States Engineer District Office.
Thomas F. Costa served as a 1st lieutenant in the 393rd Bombardment Squadron. He was the bombardier regularly assigned to the B-29 Some Punkins.
J. I. Mitchell worked for the Roane-Anderson Company.
Annie Prothrow was a laboratory assistant in the Chemistry Divison of the Chicago Met Lab during the Manhattan Project.
