National Museum of Nuclear Science & History
A. G. Underwood worked for the J.A. Jones Construction Company.
George worked in the United States Engineer District Office.
A. E. Ballard worked for the Tennessee Eastman Corporation at the Y-12 Plant.
James J. Johnson served in the 603rd Air Engineering Squadron.
Sir James Chadwick (1891-1974) was an English physicist and winner of the 1935 Nobel Prize in Physics.
