Scott Brewer

J.W. Simmons

F. E. Bush

F. E. Bush worked for the Union Carbide & Carbon Corporation.

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.

V. A. Snow

V. A. Snow worked for the Tennessee Eastman Corporation at the Y-12 Plant.