National Museum of Nuclear Science & History
Harold Seward worked for the Roane-Anderson Company.
Eleanor Blanchard served as a sergeant in the Women’s Auxiliary Corps during World War II. She worked as a typist at Los Alamos during the Manhattan Project and also operated the switchboard for the Tech Area.
Clarence H. Mathews was a janitor at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
