National Museum of Nuclear Science & History
Charles Weymouth worked for the United States Engineer District Office.
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.
J. J. McPeake worked for the H. K. Ferguson Company.
John Brolley was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.