National Museum of Nuclear Science & History
Lou Evelyn Weisser was a staff worker at Los Alamos during the Manhattan Project.
R. F. Ridgeway worked for the Roane-Anderson Company.
Hood worked at the 200 West Area at Hanford during the Manhattan Project.
Helen R. Hughes was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Estelle B. Lucas was a laboratory assistant in the Chemistry Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.