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 he found hard and time consuming as he was not naturally a gifted writer. He failed to give a good and full report to the RGS for many months and thus in effect was not defending his positions of discovery. In addition Speke had a public dispute with the Pethericks who had by and large acted according to their RGS instructions but Speke had felt they had not. All this led Roderick Murchison, president of the Royal Geographical Society, to start disliking Speke and a third expedition, led by Speke, was becoming less likely as it would have to be