Paul L. Tillman

C. E. Hockmeyer

W. J. Schabot

W. J. Schabot worked for the Union Carbide & Carbon Corporation.

Barrett Castle

Barrett Castle worked for the Tennessee Eastman Corporation at the Y-12 Plant.

Hugo Leckelt

Hugo Leckelt was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.