John Hanning Speke Furious and arrived in England on 8 May 1859. Burton was not far behind and he arrived on 21 May 1859. Now further disagreements developed; Burton maintained that they had promised each other in Aden not to make public announcements till they both were back in England and Burton accused Speke of a breach of promise by publicly claiming the source of the Nile was found on their trip. Burton now turned against the theory that Lake Victoria was the source of the Nile (and now said the river flowing "out" of the north side of Lake Tanganyika was the
John Hanning Speke source) and thus also reversing himself from the position he took in the letter to Norton Shaw. In that same letter to Shaw, Burton had also stated that Speke would present his findings to the RGS as he was prevented from traveling as he was in poor health and would be in England a short time after Speke. Jeal concludes that Burton's claim of a promise from Speke to not go to the RGS was improbable. The jealousies and accusations between the two men got ever greater, further inflamed by their respective circles of friends and people who stood to