Rodney L. Gills

H. L. Russell

H. L. Russell worked for the United States Engineer District Office.

P. S. Wilcox

P. S. Wilcox worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Charles Jackson

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.