National Museum of Nuclear Science & History
C. L. McCallum worked for the Tennessee Eastman Corporation at the Y-12 Plant.
George Miller was a research assistant at the University of Chicago Met Lab. He was present when Chicago Pile-1 went critical on December 2, 1942.
W. P. Latka worked for the Edenfield Electric Company.
Sadelle T. Greenblatt was a research assistant in the Instruments Division of the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.
L. P. Riordan worked for Clinton Laboratories at the X-10 Reactor.
