National Museum of Nuclear Science & History
Alfonso Tammaro worked for the United States Engineer District Office.
Olga M. Klicek was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Barrett Castle worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Evans worked at the Y-12 plant at Oak Ridge during the Manhattan Project.
