Major explorations after the Age of Discovery to locate the source of the River Nile. Expeditions by Burton and Speke (1857–1858) and Speke and Grant (1863) located Lake Tanganyika and Lake Victoria. It was eventually proved to be the latter from which the Nile flowed. Explorers were also active in other parts of the continent. Southern Morocco, the Sahara and the Sudan were traversed in many directions between 1860 and 1875 by Georg Schweinfurth and Gustav Nachtigal. These travellers not only added considerably to geographical knowledge, but obtained invaluable information concerning the people, languages and natural history of the countries in which they sojourned. Among the discoveries
Hamites language, culture, and much of their physiognomy as they intermarried with the local Bantus. The British explorer John Hanning Speke recorded one such account from a Wahuma governor in his book, "Journal of the Discovery of the Source of the Nile". According to Augustus Henry Keane, the Hima King Mutesa I also claimed Oromo (Galla) ancestors and still reportedly spoke an Oromo idiom, though such Hamitic-Semitic language had long since died out elsewhere in the region. The missionary R. W. Felkin, who had met the ruler, remarked that Mutesa "had lost the pure Mhuma features through admixture of Negro blood,