Papers of John Gunn, 1926-2002, including extensive correspondence, notes, memoranda, funding applications, lecture presentations and press cuttings. The collection includes: files concerning the administration of the Institute of Psychiatry and its Department of Forensic Psychiatry, 1975-2000 (including policy, planning, funding, assessments and staffing), and the running of the Denis Hill Unit forensic in-patient service, Bethlem Royal Hospital, 1985-1998; published articles, book, chapters and book reviews by Gunn, 1966-2001, on topics including epilepsy, aggression, sex offenders, mental health legislation and suicide prevention in prison; research and research applications, 1966-2001, on topics including epileptic offenders, violence, and the discharge and subsequent care of Special Hospital patients; psychiatric questionnaires and assessments, 1967-1988; files relating to the Home Office, chiefly 1966-2000, and relating to the treatment of mentally disordered offenders, also copy medical evidence given to the Wolfenden Committee on Homosexual Offences and Prostitution, 1954, and papers relating to the May enquiry, 1989-1992, into the convictions for IRA bombings in Guildford and Woolwich, 1974.Prison Service correspondence and reports, 1975-2000, covering the provision of secure psychiatric units and psychiatric care of the general prison population; papers, 1975-2000, relating to the UK Special Hospitals (high security psychiatric hospitals), and to Grendon experimental prison for offenders with antisocial personality disorders; correspondence, meeting papers and background information on the impact of amendments and proposed amendments to UK mental health legislation, 1972-2000, including the Floud Committee on dangerous offenders, 1976-1981, and the work of the Parliamentary Mental Health Group in formulating policy to restrict the spread of AIDS (Acquired Immune Deficiency Syndrome), 1987-1988; reports and correspondence, 1972-2001, relating to the conduct of psychiatry, psychiatric facilities and prison welfare in countries including Australia, China, Egypt, Greece, Ireland and Turkey; papers, 1967-1999, relating to the Effra Trust, founded by Gunn in 1974 to provide accommodation and support to homeless male ex-offenders suffering from physical or mental disability.

Papers relating to his life and career, 1935-1982, dated 1911-1982, principally comprising administrative papers relating to his Army career, 1938-1971, including postings in India, Iraq, Persia, Egypt, Cyprus and Singapore; papers relating to his attendance at the 'Buffalo' British nuclear weapons tests, Maralinga, Australia, 1956; course syllabuses, lecture summaries andassociated papers, [1935-1966], notably concerning tropical medicine, entomology, public health, malaria and encephalitis; unsigned report, photographs and other papers relating to flood relief operation, Vientiane, Laos, Sep 1966; photographs, 1942-1961, mainly relating to his service in Malaya, 1958-1961; official War Office and Government of India publications concerning army regulations, training and health and medical services; Bulletins of the Ross Institute, School of Hygiene and Tropical Medicine, University of London, 1956, 1959-1962; personal and family correspondence, 1938-1982.