National Museum of Nuclear Science & History
Phelps worked in the 100 F Area at Hanford during the Manhattan Project.
G. L. Ryan worked for the United States Engineer District Office.
G. W. Tyler worked for Clinton Laboratories at the X-10 Reactor.
Paul W. Gruning served as a 2nd lieutenant in the 393rd Bombardment Squadron. He was the bombardier on the B-29 Jabit III on the Hiroshima mission.
Joseph A. Wisnewski served in the First Ordnance Squadron.