National Museum of Nuclear Science & History
Hope worked at the 200 West Area at Hanford during the Manhattan Project.
D. Danser worked for the J.A. Jones Construction Company.
John D. Robey served in the radar section of the 393rd Bombardment Squadron.
Arthur L. Hughes was an British/Welsh physicist. He worked on the Manhattan Project in St. Louis on the cyclotron and plutonium production and at Los Alamos, NM.