National Museum of Nuclear Science & History
Bernice Feldman was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
A. H. Caldwell worked for the G.G. Ray Company.
F. I. Irwin worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Cardea Hubbard was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.