National Museum of Nuclear Science & History
J. R. Hatfield worked for the Tennessee Eastman Corporation at the Y-12 Plant.
W. A. Plumb worked for the United States Engineer District Office.
Edward Bohlmann was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Ida Cunningham was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
