National Museum of Nuclear Science & History
Helen R. Hughes was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
C. C. Sowers worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Carl C. Gamertsfelder was an American physicist who worked in the field of health physics during the Manhattan Project.
Margaret H. Sanderson was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
