Professor emeritus M. P. K. (Maurice Peter ‘Keith’) Sorrenson was born in Upper Papamoa in 1932, a descendant, on his mother’s side, of Pukenga, Wairaka and Toroa of Mataatua.
He is a graduate of the University of Auckland and of Oxford University, from which he graduated DPhil in 1962. He began as a junior lecturer in the University of Auckland history department in 1958, and completed his DPhil and further research in East Africa, before returning to Auckland in 1964. He became a professor of history in 1968 and retired in 1995, after three stints as Head of Department.
Professor Sorrenson was a Research Fellow, East African Institute of Social Res, Kampala, 1963–64, and the Smuts Fellow in Imperial History, Cambridge University, 1972–73. He was the president of CARE from 1972 to 1974, a Council Member of the New Zealand Historic Places Trust from 1973 to 1984 and a member of the Waitangi Tribunal from 1986 to 2002.
He is the author of several books, including Maori and European Since 1870, Separate and Unequal: Cultural Interaction in South Africa 1919-1961, Maori Origins and Migrations and Na To Hoa Aroha – the edited correspondence between Sir Apirana Ngata and Sir Peter Buck from 1925 to 1950, as well as numerous scholarly articles.