John Hanning Speke a new expedition and took a boat along the entire shore of Lake Victoria; he established that Lake Tanganyika and the Nile were not connected in any way, and he explored the headwaters of Lake Edward. It was now proven that Speke had been right all along, and that the Nile flowed from Lake Victoria via Ripon Falls and Murchison Falls to Lake Albert and from there to Gondokoro. It was in later years, however, that other explorers found that Lake Victoria is not the southernmost source of the Nile, rather it is the Kagera River that flows from the
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