Vittorio Bottego (Italian pronunciation: [vitˈtɔːrjo ˈbɔtteɡo]; Parma, 29 July 1860 – Dhaga Roba, 17 March 1897) was an Italian army officer and one of the first Western explorers of Jubaland and southern Ethiopia, where he led two expeditions. He was the first European explorer to follow the course of the lower Omo River to its confluence with Lake Turkana and to reach Lake Abaya, which he renamed Lake Margherita after Queen Margherita of Savoy wife of King Humbert I of Italy Source: Wikipedia (en)