National Museum of Nuclear Science & History
Cathcart worked in the United States Engineer District Office.
Peter Lax is a Hungarian-born American mathematician. Lax and his family left Hungary for America in 1941, just days before Pearl Harbor.
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.