National Museum of Nuclear Science & History
Johnstone worked at the 300 Area at Hanford during the Manhattan Project.
O. R. "Big" Simpson was a second lieutenant in military intelligence in charge of convoys carrying plutonium from Hanford to Fort Douglas, Utah.
Robert A. Berardo served in the 509th Headquarters and Base Services Squadron.
Robert E. Benbrook served in the 393rd Bombardment Squadron.