J.W. Simmons

Olney Dean

Olney Dean worked for the Kellex Corporation at the K-25 Plant.

Frederico Garuho

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.

W. M. Miller

W. M. Miller worked for the United States Engineer District Office.