National Museum of Nuclear Science & History
Ruth Volcker worked for the Tennessee Eastman Corporation at the Y-12 Plant.
George Ponton served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
Halloran worked in the United States Engineer District Office.
Richard L. Doan was the Director of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.