National Museum of Nuclear Science & History
Wallace Addis worked for the Kellex Corporation at the K-25 Plant.
Lassila worked in the 100 B and D Areas at Hanford during the Manhattan Project.
John Sullivan was a staff worker at Los Alamos during the Manhattan Project.
Newton R. Mahon served in the 320th Troop Carrier Squadron.
Leon C. Troutner served in the 603rd Air Engineering Squadron.