Sir Ernest Donald Acheson (17 September 1926 – 10 January 2010) was a British physician and epidemiologist who served as Chief Medical Officer of the United Kingdom from 1983 to 1991. He was born in Belfast, Northern Ireland. Early life Ernest Donald Acheson was born in Belfast on 17 September 1926. His father, Captain Malcolm King Acheson, MC, MD, was a doctor who specialised in public health, and his mother, Dorothy Josephine (née Rennoldson), was the daughter of a Tyneside ship builder. He was educated at Merchiston Castle School, Brasenose College, Oxford (MA, DM, Fellow 1968, Honorary Fellow 1991). His elder brother, Roy Acheson (also Merchiston and Brasenose alumnus), is Emeritus Professor of Community Medicine in the University of Cambridge and Fellow of Churchill College. Career Acheson studied medicine at the Middlesex Hospital, where he was a Broderip scholar. Having qualified in 1951, he practised at Middlesex Hospital and then entered the Royal Air Force Medical Branch, achieving the rank of Acting Squadron Leader (1953–55). From 1957 until 1968 he worked at the University of Oxford, as Fellow of University College (1957–59), medical tutor in the Nuffield Department of Medicine at Radcliffe Infirmary (1960), Director of the Oxford Record Linkage Study and Unit of Clinical Epidemiology (1962–68), and May Reader in Medicine (1965). His association with the University of Southampton began in 1963 when he was appointed Professor of Clinical Epidemiology in the university and Honorary Consultant Physician at Royal South Hampshire Hospital. He held both positions until 1983. In 1968 he became the first Dean of the new Medical School at the University of Southampton, serving in that capacity until 1978. In 1977 he was Visiting Professor at McMaster University. From 1979 until 1983 he was Director of the Medical Research Council Unit in Environmental Epidemiology. He then became Chief Medical Officer (1983–1991), serving the British government in the Department of Health, Department of Social Security, Department of Education and Science, and Home Office. During his time as Chief Medical Officer, he smuggled copies of The Advocate and New York Native into Britain in diplomatic bags to avoid them being seized by customs so that he could keep abreast of developments relating to HIV/AIDS. After leaving office as Chief Medical Officer he held positions at the London School of Hygiene and Tropical Medicine and University College London. In 1997 he was commissioned by the new Blair government to chair