Wallace Gray Stone

James J. Urban

Urban worked at the 200 West Area at Hanford during the Manhattan Project. 

G. Y. Swickard

Frank Karcher

Sergeant Frank Karcher was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

J. A. Duane Muncy

J. A. Duane Muncy was a staff worker at Los Alamos during the Manhattan Project. He was married to fellow project worker Bernice I.