Henry Morton Stanley's first trans-Africa exploration for and successfully found the missionary and explorer Livingstone, greeting him with the famous (though disputed) words: “Dr. Livingstone, I presume?” Stanley's journey had four principal aims, to: There was controversy among earlier explorers as to whether these lakes and rivers were connected to each other and the Nile. Richard Burton thought that Lake Victoria might have a southern inlet, possibly from Lake Albert, meaning that the source of the Nile was not Lake Victoria as Speke had argued. Samuel Baker thought that Lake Albert might have an inlet from Lake Tanganyika. Livingstone thought that Lualaba was the source of
John Hanning Speke "race" comprised many tribes, including the Watusi (Tutsi). Speke described their physical appearances as having retaineddespite the hair-curling and skin-darkening effects of intermarriage"a high stamp of Asiatic feature, of which a marked characteristic is a bridged instead of bridgeless nose". Two species of African reptiles are named in his honor: Speke's hinge-back tortoise, "Kinixys spekii"; and Speke's sand lizard, "Heliobolus spekii". Two species of antelope are named in his honor; "Tragelaphus spekii" and "Gazella spekei". The film "Mountains of the Moon" (1990), starring Scottish actor Iain Glen as Speke, related the story of the Burton-Speke controversy, portrayed as having been