The papers consist of reports and correspondence on the development of nuclear physics in Britain, including: papers on nuclear physics at Oxford, during the 1950's and 1960's; papers on the National Institute for Research in Nuclear Science, 1957-60's; papers on the Nuclear Physics Board, 1960's; correspondence files, 1950's-1960's; Wilkinson's memoirs on his work at Cambridge and Oxford during the 1950's; some material on the (London) Physics Club.