R. J. Pederson

Myron T. Groht

Groht worked for Stone and Webster Engineering Corporation.

F. A. Valente

Valente worked in the 100-D Area at Hanford during the Manhattan Project. 

J.E. Irwin

Edward Czuba

Edward Czuba was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.