DAVID LIVINGSTONE (1813 - 1873) scottish British missionary explorator in Africa, discover the Lake Ngami, the Victoria Falls (named after the Queen VICTORIA) in 1855 and the Lake Nyassa (today named Malawi). Missing in 1869 was finded at Ujiji (near Lake Tanganica) from the journalist HENRY STANLEY in 1871, during the research of the source of the Nile. Livingstone died in Zambia. In the photo hold a sextant (at left) and chronometer.