National Museum of Nuclear Science & History
Stanley Krzyck was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Robert Hill worked for the United States Engineer District Office.
A. P. Kelly worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Anthony French is a British physicist who worked on the Manhattan Project in Los Alamos. After graduating from Cambridge University, French began working on the British effort to build an atomic bomb, codenamed "Tube Alloys", at the Cavendish Laboratory.