National Museum of Nuclear Science & History
John Brill was a guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Charles W. Schwab served in the 393rd Bombardment Squadron.
Calderwood worked at the 200 East Area at Hanford during the Manhattan Project.
James C. Hart was a DuPont chemist and member of the health physics group during the Manhattan Project.
E. D. Kane worked for the Tennessee Eastman Corporation at the Y-12 Plant.