Guthrie Clothier was chief medical officer to the British Petroleum Company (BP). He received his medical education at King’s College Hospital. He then completed junior posts at St Charles Hospital and was a senior registrar at St Stephen’s Hospital. During the Second World War, he served as a major in the RAMC as a surgical specialist. He was later appointed as a consultant surgeon to BP in London, and became the chief medical officer. He was a fellow of the Society of Tropical Medicine and Hygiene and published extensively on work in hostile climates, including the tropics and the arctic. He died on 19 December 2006.