Francis J. Broglie

John L. Armstrong

John Armstrong worked for the Kellex Corporation at the K-25 Plant.

T. J. O’Donnell

T. J. O’Donnell was the Shop Chief at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Charles Jackson

T. J. Retenbach

T. J. Retenbach worked for the United States Engineer District Office.