M. A. Hall

J. Henson

Henson worked at the 300 Area at Hanford during the Manhattan Project. 

Frazer G. Riddlesperger

C. O. Carpenter

C. O. Carpenter worked for the Roane-Anderson Company.

Charles K. Krause

Charles K. Krause was a consultant for the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.