National Museum of Nuclear Science & History
W. W. Roberts worked for the Roane-Anderson Company.
Stafford Leak “Staff” Warren was a Colonel in the Army Medical Corps and the Chief Medical Officer of the Manhattan Engineer District (MED).
Kopanski worked at the 200 East Area at Hanford during the Manhattan Project.
Cleo E. Harter 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.