National Museum of Nuclear Science & History
Leinberger worked in the 200 W Area at Hanford during the Manhattan Project.
Zen B. Portwood worked for the J.A. Jones Construction Company.
M. Carlson worked for the Roane-Anderson Company.
Paul W. Gruning served as a 2nd lieutenant in the 393rd Bombardment Squadron. He was the bombardier on the B-29 Jabit III on the Hiroshima mission.