National Museum of Nuclear Science & History
Barr worked for Stone and Webster Engineering Corporation.
Frederick D. Kopka served in the 1027th Air Material Squadron.
Rex E. Gunderson served in the 603rd Air Engineering Squadron.
Gunhild Swanson was a staff worker at Los Alamos during the Manhattan Project.
A. O. Garberg worked for the Tennessee Eastman Corporation at the Y-12 Plant.