European exploration of Africa 1840s, so that around the midpoint of the 19th century and the beginning of the colonial Scramble for Africa, the unexplored parts were now limited to what would turn out to be the Congo Basin and the African Great Lakes. This "Heart of Africa" remained one of the last remaining "blank spots" on world maps of the later 19th century (alongside the Arctic, Antarctic and the interior of the Amazon basin). It was left for 19th-century European explorers, including those searching for the famed sources of the Nile, notably John Hanning Speke, Sir Richard Burton, David Livingstone and Henry Morton
Stanley and Livingstone speech, it is clear to Stanley that too few of the members believe him. As he is leaving the hall, a messenger arrives with news that another expedition has recovered Livingstone's body, as well as the man's last written message, in which he talks glowingly of Stanley. Vindicated, Stanley decides to return to Africa to carry on the great man's work. According to Philip Dunne, the film was originally envisioned as a vehicle for Tyrone Power as Stanley and a script was prepared accordingly. Darryl F. Zanuck, head of production at 20th Century Fox was sent a memo suggesting the