National Museum of Nuclear Science & History
Lillian Sexton was a switchboard operator at the Metallurgical Laboratory in Chicago during the Manhattan Project.
William Spindel was a member of the Special Engineer Detachments at Oak Ridge and Los Alamos. Spindel worked in a group that helped make coatings for the implosion bomb.
Beverly W. Lewis was a chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.