Nile (TV series) their mission Speke separated from the main party and discovered Lake Victoria. The vast lake retains water like a vast reservoir with evaporations drained back by surrounding mountains. Speke returned with James Grant a year later and discovered the outlet at Ripon Falls. The new moon rains trigger the emergence of vast breeding swarms of flies that plagued the expedition. Speke and Grant headed downstream from the outlet but were forced to take refuge at Gondokoro. Here they met with Samuel Baker and his wife who had travelled up stream in search of the source and discovered Lake Albert in
Misri legend School of anthropology, and would also influence proponents of polygenism. The British explorer John Hanning Speke popularized the ancient Hamitic peregrinations in his publications on his search for the source of the Nile River. Speke believed that his explorations uncovered the link between "civilized" North Africa and "primitive" central Africa. Describing the Ugandan Kingdom of Buganda, he argued that its "barbaric civilization" had arisen from a nomadic pastoralist race who had migrated from the north and was related to the Hamitic Oromo (Galla) of Ethiopia. In his "Theory of Conquest of Inferior by Superior Races" (1863), Speke would also attempt