Nile source of the Nile when Burton regarded this as still unsettled. A very public quarrel ensued, which sparked a great deal of intense debate within the scientific community and interest by other explorers keen to either confirm or refute Speke's discovery. British explorer and missionary David Livingstone pushed too far west and entered the Congo River system instead. It was ultimately Welsh-American explorer Henry Morton Stanley who confirmed Speke's discovery, circumnavigating Lake Victoria and reporting the great outflow at Ripon Falls on the Lake's northern shore. European involvement in Egypt goes back to the time of Napoleon. Laird Shipyard of
John Hanning Speke Grant reached Gondokoro in Southern Sudan, where he met Samuel Baker and his "wife". (Her name was Florence von Sass and she had been rescued by Baker from a slave market in Vidin during a hunting trip in Bulgaria.) Speke had expected to meet John Petherick and his wife Katherine at Gondokoro, as they had been sent by the RGS south along the Nile to meet Speke and Grant. However the Pethericks were not there but on a side expedition to trade ivory, as they had run out of funds for their expedition. This caused some hard feelings between Pethrick