David Livingstone many newspapers of the time, and Livingstone experienced great difficulty in raising funds to further explore Africa. Nevertheless, John Kirk, Charles Meller, and Richard Thornton, the scientists appointed to work under Livingstone, did contribute large collections of botanical, ecological, geological, and ethnographic material to scientific Institutions in the United Kingdom. In January 1866, Livingstone returned to Africa, this time to Zanzibar, and from there he set out to seek the source of the Nile. Richard Francis Burton, John Hanning Speke, and Samuel Baker had identified either Lake Albert or Lake Victoria as the source (which was partially correct, as the
PS Speke "Speke" and her barges were used mainly to carry cotton for export from nearby plantations. When the railway operator's successor, the East African Railways and Harbours Corporation (EARH), completed its northern Uganda extension from Tororo to Pakwach it superseded the Victoria Nile ferry service. EARH withdrew "Speke", "Stanley" and "Grant" from service in 1962 and offered "Speke" for sale in September of that year. The track of the Busoga Railway was lifted in 1964. 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