National Museum of Nuclear Science & History
H. A. Rehnberg worked for the Kellex Corporation at the K-25 Plant.
Julia Mangan worked for the A. S. Schulman Electric Company.
T. J. O’Donnell was the Shop Chief at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Browning Middleton worked for Clinton Laboratories at the X-10 Reactor.
