National Museum of Nuclear Science & History
A. G. Underwood worked for the J.A. Jones Construction Company.
Robert F. Christy (1916-2012) was a Canadian-American theoretical physicist Christy’s doctoral advisor at the University of California, Berkeley was Robert Oppenheimer, but Christy’s initial involvement with the Manhattan Project came at the Metallurgical Lab at the University of Chicago.
S. C. Barnett worked for the Union Carbide & Carbon Corporation.
L. J. Ritter worked for the Roane-Anderson Company.