National Museum of Nuclear Science & History
Treadwell worked at the 100-B and 100-D Areas at Hanford during the Manhattan Project.
Celia Ryan was a staff worker at Los Alamos during the Manhattan Project.
R. J. Lewinson served in the 509th Headquarters and Base Services Squadron.
Clyde R. Beecher served as a sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Strange Cargo.
Kirby Ross served in the 393rd Bombardment Squadron.