National Museum of Nuclear Science & History
W. R. Duff worked for the Tennessee Eastman Corporation at the Y-12 Plant.
E. J. Wherland served in the 390th Air Service Group.
E. F. Ryan worked for the United States Engineer District Office.
Minnie M. Daniels was a laboratory technician and assistant in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
