National Museum of Nuclear Science & History
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.
Charles Mather worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Farrell worked in the United States Engineer District Office.
James McIntosh was a draftsman at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.