John Hanning Speke But Burton was too weak to make the trip and thus stayed in base camp when the main caravan halted again at Kazeh. Speke went on a 47-day side trip that was 452 miles up and down in which he took 34 men with Bombay and Mabruki as his captains and on 30 July 1858 became the first European to see Lake Victoria and the first to map it. It was this lake that eventually proved to be the source of the River Nile. However, much of the expedition's survey equipment had been lost at this point and thus vital
John Hanning Speke Speke was much attached to Bombay and spoke highly of his honesty and conscientiousness. Bombay's efforts in dealing with hostile tribes, interpreting and keeping the safari crew on track was a great help to the expedition. Less is known of Mabruki, the other caravan leader, but he was later known as Mabruki Speke, and like Bombay became one of East Africa's great caravan leaders and was also a member of the Yao tribe like Bombay. Because of Speke's recommendations both Bombay and Mabruki served on Henry Stanley's 1871 expedition to find Livingstone. On 26 September 1859 the return journey from