Alexander Duncan Campbell Peterson OBE (13 September 1908 – 17 October 1988) was a British teacher and headmaster, greatly responsible for the birth of the International Baccalaureate educational system. He was instrumental in the formation of the International Baccalaureate Organisation in 1968, and served as the organisation's first director-general until 1977. He was also the first honorary member of the organisation's Council of Foundation from 1983 until his death in 1988. Early life and career Peterson was the son of John Peterson an Indian Civil Service official and Flora, and was born in Edinburgh, Scotland. His younger, Sir Arthur Peterson, was a civil servant. He attended Radley College and Balliol College, Oxford. After spending two years as a management trainee became a teacher at Shrewsbury School in 1932. At the beginning of the Second World War he joined the Ministry of Information and joined the propaganda branch of the Special Operations Executive. He played an important role in South-East Asia, and was largely responsible for the Indian Forward Broadcasting Unit, which was very successful in the Burma campaign. He became deputy director of psychological warfare for South-East Asia Command and was awarded OBE in 1946. After the war he was appointed headmaster at Adams' Grammar School. He spent two years as Director General, Information Services in Malaya from 1952 to 1954 during the Malayan emergency. He was later headmaster at Dover College, where he set up an international sixth form in 1957. In 1958, he was named head of the Department of Educational Studies at Oxford University, a post he held until 1973. He was the Liberal Party's spokesman on education for some time and served as chairman of the Army Education Board for many years. He married Corinna May Cochrane, daughter of Sir Arthur Cochrane of the College of Arms. Corrie was a member of the Society of Analytical Psychology and was a tutor at Beech Lawn College Oxford during the 1960s. They had two sons and a daughter. Work with the IBO In 1962, Peterson's connections with the military (he had served in Lord Mountbatten of Burma's staff) and his acquaintance with Kurt Hahn earned him a job planning an academic curriculum for the future students of the newly founded Atlantic College in Wales. In 1966, he was named head of the International Schools Examination Syndicate, which was reorganized in 1968 as the International Baccalaureate Organisation. During the