Correspondence with UK Scientific Institutions and Government Laboratories Correspondence with AWRE Aldermaston; AEI Research Laboratories, Aldermaston; British Institute of Management; British Rayon Research Association; Committee on Science and Freedom; Department of Scientific and Industrial Research (DSIR); DSIR Ditton Laboratory; Sir John Maud, Ministry of Fuel and Power; Sir Harold Hartley; Dr WD Jones; National Research Development Corporation; National Physical Laboratory; Nuffield Foundation; RAE Farnborough (including material on a research project on metal fatigue at low temperatures); Royal Greenwich Observatory; the United Steel Company and the Royal Institution The correspondence is mostly on arrangements for Simon to visit the laboratories and institutions named 1945-1956