National Museum of Nuclear Science & History
Harlan Tyne worked for the United States Engineer District Office.
Valda B. Lemke was a laboratory assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Ford worked for Stone and Webster Engineering Corporation.
Thomas Guilfoyle was a member of the Military Police at the University of Chicago's Metallurgical Lab from 1943 to 1945.
W. G. Roman worked for the Tennessee Eastman Corporation at the Y-12 Plant.