National Museum of Nuclear Science & History
A. C. Crymble worked for the Tennessee Eastman Corporation at the Y-12 Plant.
M. B. Deason worked in the 300 Area at Hanford during the Manhattan Project.
Helen D. Thomson was in the Army Group at the Metallurgical Laboratory in Chicago during the Manhattan Project.
R. W. Addington worked for the J.A. Jones Construction Company.
Henry McDonald, Jr. worked for the United States Engineer District Office.
