National Museum of Nuclear Science & History
Sidney Williams was a janitor at the University of Chicago’s Metallurgical Lab (“Met Lab”) during the Manhattan Project.
Kathleen McClinton was a librarian at Oak Ridge, Tennessee. She was married to Manhattan Project scientist Leslie T.
Harold Fidler was an Army major and a civil engineer for the Corps of Engineers. Fidler began working at the Radiation Laboratory at Berkeley with Ernest O.
Joyce Morris worked for the J.A. Jones Construction Company.