National Museum of Nuclear Science & History
Grafton worked in the United States Engineer District Office.
E. C. Harshbarger worked for the Roane-Anderson Company.
Lorraine Barbic was a technical worker in the Chemical Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Ralph Nelson was a staff worker at Los Alamos during the Manhattan Project.
Colleen Frahm Lockmiller was a lab technician in the Y-12 Plant at Oak Ridge, Tennessee from 1944 to 1947.
