John Hanning Speke unjustifiably incited by Speke's publisher to stimulate book sales. John Hanning Speke John Hanning Speke (4 May 1827 – 15 September 1864) was an English explorer and officer in the British Indian Army who made three exploratory expeditions to Africa. He is most associated with the search for the source of the Nile and was the first European to reach Lake Victoria. He is also known for propounding the Hamitic hypothesis in 1863, in which he supposed that the Tutsi ethnic group were descendants of the biblical figure Ham, and had lighter skin and more Hamitic features than the Bantu-featured
Samuel Baker Khartoum, leaving that city in December 1862 to follow up the course of the White Nile. Two months later at Gondokoro he met Speke and Grant, who, after discovering the source of the Nile, were following the river to Egypt. Their success made him fear that there was nothing left for his own expedition to accomplish; but the two explorers gave him information which enabled him, after separating from them, to achieve the discovery of Albert Nyanza (Lake Albert), of whose existence credible assurance had already been given to Speke and Grant. Baker first sighted the lake on 14 March