National Museum of Nuclear Science & History
J. E. Crawford worked for the Midwest Piping and Supply Company.
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.
Clarence Signaigo was a laboratory helper at the Metallurgical Laboratory in Chicago during the Manhattan Project.
