National Museum of Nuclear Science & History
W. T. Dempster worked for the Roane-Anderson Company.
Nora Dene Lawson worked as a calutron operator at the Y-12 Separations Plant in Oak Ridge, TN during the Manhattan Project.
Acken worked at the 200 West Area at Hanford during the Manhattan Project.
Cornelius Ridner was a staff worker at Los Alamos during the Manhattan Project.