National Museum of Nuclear Science & History
A. A. White worked for the United States Engineer District Office.
Jack L. Callan was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Percy Phillips served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
Ruth Rottman was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
