National Museum of Nuclear Science & History
John Brill was a guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Fred R. Williams worked for Clinton Laboratories at the X-10 Reactor.
Carl A. Puffer served in the 603rd Air Engineering Squadron.
Francis McHale was a security and safety man, a civilian, with the Corps of Engineers. He came to Hanford from the Pennsylvania Ordnance Works to set up fire and safety and police protection for the Manhattan Engineer District.