European exploration of Africa 1840s, so that around the midpoint of the 19th century and the beginning of the colonial Scramble for Africa, the unexplored parts were now limited to what would turn out to be the Congo Basin and the African Great Lakes. This "Heart of Africa" remained one of the last remaining "blank spots" on world maps of the later 19th century (alongside the Arctic, Antarctic and the interior of the Amazon basin). It was left for 19th-century European explorers, including those searching for the famed sources of the Nile, notably John Hanning Speke, Sir Richard Burton, David Livingstone and Henry Morton
David N. Livingstone in Belfast. He was appointed an OBE for his services to Geography and History. David N. Livingstone David Noel Livingstone, (born 15 March 1953) is a Northern Ireland-born geographer, historian, and academic. He is Professor of Geography and Intellectual History at Queen's University Belfast. David Livingstone was born in Northern Ireland, and educated at Banbridge Academy and Queen's University Belfast (B.A., Ph.D.). Following graduation, he continued at Queen's as a Research Officer and Lecturer, becoming Reader and then full Professor. He has held visiting professorships at Calvin College, Michigan, University of British Columbia, University of Notre Dame, and Baylor University.