Cedric Waters Hill (3 April 1891 – 5 March 1975) was an Australian officer in the Royal Flying Corps and later the Royal Air Force who, together with E. H. Jones, escaped from the Yozgat prisoner of war camp in Turkey during the First World War.
Between February 1917 and October 1918, Jones and Hill convinced their Turkish captors that they were mediums adept at the Ouija board.
Taking advantage of the greed of the Turkish camp Commandant, with promises of buried treasure via the Ouija board, the two men managed to engineer the circumstances of their imprisonment to favour their escape.
Eventually they convinced their gaolers to repatriate them by feigning insanity, arriving home only a few months before the Armistice.
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