National Museum of Nuclear Science & History
M. E. Gregson worked for the Roane-Anderson Company.
Katherine Gnjec was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
R. G. Mansfield worked for the Tennessee Eastman Corporation at the Y-12 Plant.
F. C. Ruh worked for the Tennessee Eastman Corporation at the Y-12 Plant.
