National Museum of Nuclear Science & History
Barrett worked for Stone and Webster Engineering Corporation.
Sidney J. Bellamy served as a corporal in the 393rd Bombardment Squadron. He was regularly assigned to the Necessary Evil as a radar observer, but flew in the Big Stink in the mission to Nagasaki.
Johnson worked at the 100-F Area at Hanford during the Manhattan Project.
G. L. Ryan worked for the United States Engineer District Office.
Garrison worked at the 300 Area at Hanford during the Manhattan Project.