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
John Hanning Speke and 18 out of the entourage of the Queen Mother. Speke took a serious liking to the elder, Meri, whom he fell in love with, according to his diaries (which were redacted when they were published as books later). While Meri proved loyal to Speke and fulfilled her task at being a "wife" as commanded by the Queen Mother, she showed no emotional attachment to Speke, and this left Speke heart-broken because he sought a relationship of mutual emotional feelings. Speke spent several months at the court of Mutesa and when he had given up winning Mere's heart, tried to