National Museum of Nuclear Science & History
E. A. McCaskill worked for the United States Engineer District Office.
Wilber A. Stevens was an army officer in charge of overseeing construction at Los Alamos. He helped choose the site where the Manhattan Project would test its first atomic bomb.
F. J. McCanna worked for the United States Engineer District Office.
W. R. Duff worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Margaret M. Emmerson was a technician at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
