National Museum of Nuclear Science & History
Joe Langston worked for the J.A. Jones Construction Company.
Marguerite Swift was an associate physiologist in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Paul R. O’Connor was a junior chemist at the University of Chicago Met Lab during the Manhattan Project.
C. E. Ferris worked for the Tennessee Eastman Corporation at the Y-12 Plant.