John Hanning Speke (1827-1864) born at Bideford, Devon, England. Officer in the British Indian Army and explorer of Africa. Accompanied Richard Burton's expedition (1855-1858), sponsored by the Royal Geographical Society, when he discovered Lake Victoria Nyanza. On a subsequent expedition of 1860-1862 he discovered the exit from the lake into the White Nile which he named Ripon Falls. Engraving from The Leisure Hour (London, 1864).