National Museum of Nuclear Science & History
Byron Johnson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Helen Thomson was a techinician in the Chemistry Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Lillian Guadagna was a technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
C. H. Hutchinson worked for the Roane-Anderson Company.
