National Museum of Nuclear Science & History
R. A. Smith worked for the H. K. Ferguson Company.
J. B. McCullough served in the 509th Headquarters and Base Services Squadron.
Elizabeth Painter (later Elizabeth Painter Marcus) was an associate biologist in the Health Division at the University of Chicago Metallurgical Laboratory.
Fred Whitehead was a staff member at Los Alamos during the Manhattan Project.
Gay Lingley worked for the United States Engineer District Office.