Working papers and correspondence of Sir Francis (Franz) Eugene Simon. Scientific notebooks in the collection date from 1919-1934, largely the period of Simon's researches on low temperature physics at the Physikalisch-Chemisches Institut of Berlin University, and subsequently at Breslau. Other notes and manuscripts for lectures and articles are post 1930, while a large group of correspondence files are from the years 1922-1956, providing a full account of Simon's dealings with many fellow scientists and scientific organisations. Individual letter files concern V.M. Goldsmidt, Max Born, Gwyn Owain Jones and Nevill Mott among many other notable figures. Details of Simon's involvement in atomic energy development are to be found in papers on uranium isotope separation (MAUD Committee notes) and UK Atomic Energy Authority correspondence. Simon's professional appointments as head of the Clarendon Laboratory and as science correspondent to the Financial Times are represented by substantial groups of letters. There are twelve notebooks with some associated papers; the series also includes files of lectures, articles, cuttings and souvenirs, including photographs, with files of correspondence. Two later additions to the collection consist of correspondence and files highlighting Simon's contacts with industrial firms, universities and international organisations.

Papers of Sir Edward Eric Pochin, 1940-1989. The collection in no way reflects the entirety of Sir Edward's life's work; he may have discarded much himself when he retired officially. For the most part, the papers suggest that he had decided to keep only those of personal value, a relatively few relating to his clinical research on iodine isotopes and the thyroid gland, and those concerning his current working interest at the time of retirment. This was the 'Index of Harm': in the last ten or so years of his life he was primarily engaged in amassing vast amounts of data and statistics for the purposes of quantifying the risks and harm resulting from exposure to radiation as well as from occupational injuries. Also present are correspondence with Sir Thomas Lewis, 1940-1945, and records of research and treatments in the Medical Research Council Clinical Research Department at University College Hospital, London, 1947-1970s.