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. Source: Wikipedia (en)