National Museum of Nuclear Science & History
R. L. Plowden worked for the J.A. Jones Construction Company.
Robert C. Hirt was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
R. H. Ball worked for the Tennessee Eastman Corporation at the Y-12 Plant.
W. R. Jewell worked for the Tennessee Eastman Corporation at the Y-12 Plant.