National Museum of Nuclear Science & History
Emil Kloss served in the 1027th Air Material Squadron.
Smith worked at the 200 Area at Hanford during the Manhattan Project.
Lawrence Thomas Abraham was a contractor who served as the construction superintendent at Los Alamos during the Manhattan Project.
John C. Pfeiffer Jr. served in the 393rd Bombardment Squadron.
Beaulieu worked in the 200 West Area at Hanford during the Manhattan Project.