T. A. Arehart

G. L. Steinhaus

C. Y. Driggers

C. Y. Driggers worked at the 100-F Area at Hanford during the Manhattan Project.

Jas B. Huff

Jas Huff worked for the United States Engineer District Office.

George W. Campbell

George W. Campbell was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.