National Museum of Nuclear Science & History
R. A. Smith worked for the H. K. Ferguson Company.
McMahon worked in the 100 D Area at Hanford during the Manhattan Project.
J. C. Doucha worked for the J.A. Jones Construction Company.
Henry E. Lewis served in the 1027th Air Material Squadron.
Percy Phillips served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.