National Museum of Nuclear Science & History
Chellis worked for Stone and Webster Engineering Corporation.
Campbell worked at the 200 East Area at Hanford during the Manhattan Project.
Brown worked in the United States Engineer District Office.
Hallie Perry was an electrician at Oak Ridge, Tennessee for the Watson-Flagg Engineering Company from 1943 to 1945.
Jose Romero was a staff worker at Los Alamos during the Manhattan Project.
