John Hanning Speke to Lake Victoria by travelling south. They eventually, after tremendous hardships, such as being racked by fevers and held up by rulers for months on end, found Lake Albert and the Murchison Falls. Speke and Grant now returned to England where they arrived in June 1863 and were welcomed as genuine heroes. This did not last long in Speke’s case however; disputes with Burton, who was relentless in his criticisms and a very compelling public speaker and gifted writer, left Speke’s discoveries in less than an ideal light. Speke had also committed to write a book for John Blackwood which
Hamites races were too broad to have stemmed from a single common ancestor, but were instead consistent with separate racial origins. In his "Crania Aegyptiaca" (1844), Morton analyzed over a hundred intact crania gathered from the Nile Valley, and concluded that the ancient Egyptians were racially akin to Europeans. His conclusions would establish the foundation for the American School of anthropology, and would also influence proponents of polygenism. In the second half of the 19th century, the British explorer John Hanning Speke would further popularize the ancient Hamitic peregrinations in his publications on his search for the source of the Nile