I. P. Grill

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.

E. J. Brenneis

E. J. Brenneis worked for the Tennessee Eastman Corporation at the Y-12 Plant.

N. D. Woodall

N. D. Woodall worked for the United States Engineer District Office.

R. Donaldson