National Museum of Nuclear Science & History
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.
John Arnold joined the Manhattan Project in 1943 when the MED tasked his employer, the Kellogg Corporation, with developing a special barrier for the gaseous diffusion plant in Oak Ridge.