National Museum of Nuclear Science & History
H. M. Nappen worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Lester W. Mingin served in the 1st Ordnance Squadron.
Richard McNamara served as a 2nd lieutenant in the 393rd Bombardment Squadron of the 509th Composite Group.
Johnson worked at the 100-B Area at Hanford during the Manhattan Project.
