National Museum of Nuclear Science & History
Betty Utterback was a staff worker at Los Alamos during the Manhattan Project.
H. O. Arnold worked for the Kellex Corporation at the K-25 Plant.
John Mendl was a member of the 1st Ordnance Squadron in the 509th Composite Group stationed on Tinian Island in the Pacific.
William Bassett worked for the Tennessee Eastman Corporation at the Y-12 Plant.
