National Museum of Nuclear Science & History
Bradley Jr. worked at the 200 West Area at Hanford during the Manhattan Project.
W. B. Caldwell worked for Clinton Laboratories at the X-10 Reactor.
Hamilton worked at the 300 Area at Hanford during the Manhattan Project.
Walter A. Ball served in the 1027th Air Material Squadron.
G. W. Reed worked for the Union Carbide & Carbon Corporation.