National Museum of Nuclear Science & History
J. P. Underwood worked for the Roane-Anderson Company.
George W. Ellis served in the 1st Ordnance Squadron.
Frank Pratt worked for the J.A. Jones Construction Company.
A. H. Weil worked for the United States Engineer District Office.
Richard Ehrlich worked at Los Alamos in the Theoretical Physics Division, during the Manhattan Project.
