National Museum of Nuclear Science & History
Annen worked for Stone and Webster Engineering Corporation.
B. H. Brown worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Gertrude Nissenbaum was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Katherine Gnjec was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
