The papers include: physics notebooks; lecture and teaching notes, 1927-73; papers on the invention and patenting of the proximity fuze [proximity fuse]; copy of a paper by Professor John Cockcroft, "A General Account of Army Radar"; copy of the Los Alamos lectures on nuclear physics, 1943; journals from the Home Office Scientific Adviser's branch, 1961-66 and 1973; and a Home Office civil defence data book, as well as correspondence with John Maynard Keynes, 1936-1944.