National Museum of Nuclear Science & History
George O'Connell worked for the H. K. Ferguson Company.
Arthur D. Henderson served in the 320th Troop Carrier Squadron.
Arnold Swanson served in the Army at Los Alamos during the Manhattan Project.
J. A. Duane Muncy was a staff worker at Los Alamos during the Manhattan Project. He was married to fellow project worker Bernice I.