John Hanning Speke of the way. Once Speke and Burton were back on the coast they went by ship to Zanzibar and then traveled to Aden. When back at the coast Burton had written a letter to Norton Shaw of the Royal Geographical Society (which had partially sponsored the journey) in which Burton enclosed a map of Lake Victoria made by Speke and wrote "there are grave reasons for believing it (the map) to be the source of the principal feeder of the White Nile." Once in Aden, Burton was not granted a medical certificate to travel and thus Speke left on HMS
John Davis (English explorer) John Davis (English explorer) John Davis or Davys (c. 155029 December 1605) (b. 1543?) was one of the chief English navigators of Elizabeth I. He led several voyages to discover the Northwest Passage and served as pilot and captain on both Dutch and English voyages to the East Indies. He discovered the Falkland Islands (today a British Overseas Territory) in August 1592. It is important that Captain John Davis of Sandridge should not be confused with a contemporary, Captain John Davis of Limehouse. Both served in the fleet of Captain James Lancaster during the first voyage of the East India