National Museum of Nuclear Science & History
N. B. Newcomb worked for the Kellex Corporation at the K-25 Plant.
Eldin Christenburg worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Seymour S. Katz served in the 603rd Air Engineering Squadron.
Helena Calloway was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
