Chester T. Klein

G. W. Toncray

G. W. Toncray worked for the Tennessee Eastman Corporation at the Y-12 Plant.

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.

R. L. Kidd

E. H. Winzenburg

Winzenburg worked for Stone and Webster Engineering Corporation.