National Museum of Nuclear Science & History
William Gray worked for the Roane-Anderson Company.
Elizabeth Butler was an infant in Oak Ridge, TN during the Manhattan Project. Her father worked for the civilian contractor Tennesee Eastman and was exposed to radiation while working on piping in K-25.
Gawthrop worked at the 300 Area at Hanford during the Manhattan Project.
John Fletcher worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Samuel R. Goldwasser worked as a Research Assistant at the Met Lab from October of 1943 to March of 1944.