G. T. Everson

George W. Campbell

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

H. Hoessly

H. Hoessly worked for the Roane-Anderson Company.

J. P. O’Hara

J. F. Coughlin

Coughlin worked for 200 East Area at Hanford during the Manhattan Project.