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
PS Speke PS Speke PS "Speke" was a British stern wheel paddle steamer in Uganda. She was built for the Uganda Railway in 1910 to operate on Lake Kyoga and the Victoria Nile. First and second class passengers travelled aboard the steamer but she also pushed a barge or lighter on which cargo and third class passengers travelled. "Speke" was bought initially to operate part of what eventually became a rail, ship and road route between the Uganda Railway and Lake Albert. The first stage of this route was the Busoga Railway between Jinja and Lake Kyoga. The original lakeside terminus for