Sir Arthur Conan Doyle (May 22, 1859 - July 7, 1930) with one of his ghostly friends (he had many).
(One can only imagine what else he would have done with the "tale" end of his life if they had given him a heads-up about how much money Sherlock was going to add to his estate.)
Thanks for submitting this pic, Arthur—if I may call you that. Yours is our first photo contest entry from the other side. 




Sir Arthur Conan Doyle with psychic extra, c.1922. Gelatin silver photograph, Barlow Collection, British Library London