Marlin S. Hanson

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.

Raymond Wagner

Raymond Wagner worked for the Kellex Corporation at the K-25 Plant.

R. K. Dean

R. K. Dean worked for the Tennessee Eastman Corporation at the Y-12 Plant.

R. F. Ebbs