National Museum of Nuclear Science & History
Cummins worked for Stone and Webster Engineering Corporation.
Dixie Wallace was a staff worker at Los Alamos during the Manhattan Project.
Helene Stark was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
William Bradshaw was a Mechanical Engineer working for the civilian contractor Tennessee Eastman at the Y-12 Plant in Oak Ridge, Tennessee.
