Sir John Alexander Raymond Chisholm is a British engineer who was chairman of the Medical Research Council and QinetiQ.
Sir Ravinder Nath Maini is an Indian-born British rheumatologist and academic who is an emeritus professor at Imperial College London. He led the Kennedy Institute of Rheumatology.
Sir Ernest Donald Acheson 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.
Sir David John Weatherall, was a British physician and researcher in molecular genetics, haematology, pathology and clinical medicine.
Sir David Philip Lane is a British immunologist, molecular biologist and cancer researcher. He is currently working in the Department of Microbiology, Tumor and Cell Biology at the Karolinska Institute and is Chairman of Chugai Pharmabody. He is best known for the discovery of p53, one of the most important tumour suppressor genes.
Sir Edward Farquhar Buzzard, 1st Baronet, was a prominent British physician and Regius Professor of Medicine at the University of Oxford (1928–1943).
Sir Ian McColl Kennedy, QC is a British academic lawyer who has specialised in the law and ethics of health. He was appointed to chair the Independent Parliamentary Standards Authority in 2009.
Sir Graeme Robertson Dawson Catto FRSE, Hon FRCSE, FRCP(Lon, Edin & Glasg), FRCGP, FFPM, FAoP, FMedSci FKC is a Scottish doctor who was president, later chair, of the General Medical Council until April 2009. He is also currently Emeritus Professor of Medicine at the Universities of London and Aberdeen and was an honorary consultant nephrologist at Guy's and St Thomas' NHS Foundation Trust and Aberdeen Royal Infirmary.
There have been two baronetcies created for the Knowles family, originally a branch of the Knollys family known as Knollys of Stanford. One is in the Baronetage of Great Britain, which is extant, and one in the Baronetage of the United Kingdom, which is extinct.
Sir John Southwood Jennings is a British geologist who was Chancellor of Loughborough University, having previously been chairman of Shell Transport and Trading from 1993 to 1997, and a director until 2001.
Sir Peter Julius Lachmann was a British immunologist, specialising in the study of the complement system. He was emeritus Sheila Joan Smith Professor of Immunology at the University of Cambridge, a fellow of Christ's College, Cambridge and honorary fellow of Trinity College, Cambridge and of Imperial College. He was knighted for service to medical science in 2002.
Sir John Ivan George Cadogan was a British organic chemist.
Michael John Peckham was a British oncologist and artist. As a cancer physician he is best known for his contribution to the treatment of testicular cancer. His paintings were first exhibited in 1962 and he showed in numerous mixed and solo exhibitions.
Sir Brian Jarman is a retired English physician and academic. He was professor of primary health care from 1983 to 1998 at Imperial College School of Medicine and president of the British Medical Association from 2003 to 2004.
Sir Peter Ingram Walters is a retired British businessman. He is a former CEO and chairman of British Petroleum. He was born in Birmingham, United Kingdom, in the family of a police inspector.
Sir Stanley John Odell was a British businessman who was Chairman of the National Union of Conservative and Unionist Associations from 1989 to 1990, an organisation of the Conservative Party in the United Kingdom.
Sir Christopher Anthony Hogg was a British business executive.
Henry Cayley, was a British physician who was Deputy Surgeon-General in the British Army in India. He was appointed Professor of Military Medicine at the Army Medical School, Netley. He was Honorary Surgeon to Queen Victoria and King Edward VII.
Sir Malcolm Keith Sykes was an English consultant anaesthetist.
