National Museum of Nuclear Science & History
Tracy worked for Stone and Webster Engineering Corporation.
S. M. Alborn worked for the Tennessee Eastman Corporation at the Y-12 Plant.
William A. Hichler was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
John Mendl was a member of the 1st Ordnance Squadron in the 509th Composite Group stationed on Tinian Island in the Pacific.