Burton and Speke (novel) incompetent, unable even to learn how to use simple measuring devices, vital to serious exploration. Despite these obvious drawbacks however, it is Speke who eventually discovers Lake Victoria as the source of the Nile, due to Burton falling seriously ill with malaria and having to be left behind in an Arab trading camp. Here their mutual antipathy turns to bitter enmity when Speke, breaking his word to Burton, claims sole credit for the discovery. Unfortunately for Speke his lack of accurate readings and sloppy map making skills lead the scientific world to doubt his word. Speke dies from a self-inflicted
John Hanning Speke the wider world and were the first to record and map this section of Africa, the efforts and labors of Sidi Mubarak Bombay and Mabruki were instrumental in discovering the lake. Bombay was captured as a child near Lake Nyasa by slave traders and was sold to Indian merchants on the coast of Africa who took him to Sindh. Thus he spoke Hindustani and after his master's death he sailed back to Zanzibar where Speke and Burton met and hired him. Both spoke Hindustani, which greatly facilitated the travel in the interior as Bombay spoke several native languages beside Swahili.