National Museum of Nuclear Science & History
G. B. Miller worked for the Roane-Anderson Company.
Kopanski worked at the 200 East Area at Hanford during the Manhattan Project.
Jose A. Valdez was a staff worker at Los Alamos during the Manhattan Project.
John O. Williams served in the 603rd Air Engineering Squadron.
Ruth Hoffberg was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
