John Hanning Speke Furious and arrived in England on 8 May 1859. Burton was not far behind and he arrived on 21 May 1859. Now further disagreements developed; Burton maintained that they had promised each other in Aden not to make public announcements till they both were back in England and Burton accused Speke of a breach of promise by publicly claiming the source of the Nile was found on their trip. Burton now turned against the theory that Lake Victoria was the source of the Nile (and now said the river flowing "out" of the north side of Lake Tanganyika was the
John Hanning Speke from Zanzibar in October 1860. The expedition approached the lake from the south west but Grant was often sick and was not able to travel with Speke much of the time. As during the first trip, in this period of history, Arab slave traders had created an atmosphere of great distrust towards any foreigners entering central Africa, and most tribes either fled or fought when encountering them as they assumed all outsiders to be potential slavers. Lacking a great deal of guns and soldiers, the only thing the expedition could do was make peace offerings to locals, and both men