National Museum of Nuclear Science & History
Clarence Signaigo was a laboratory helper at the Metallurgical Laboratory in Chicago during the Manhattan Project.
T. H. Barker 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.
Louise Richter was a staff worker at Los Alamos during the Manhattan Project.
