National Museum of Nuclear Science & History
Hardleben worked at the 100-F Area at Hanford during the Manhattan Project.
William E. Egger served as a sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Necessary Evil.
W. G. Wells worked for the United States Engineer District Office.
Arnold Swanson served in the Army at Los Alamos during the Manhattan Project.
