Quote Pictures Sir Arthur Conan Doyle By thehistorianshut - December 31, 2017 Facebook Twitter ReddIt Pinterest Tumblr Email Sir Arthur Conan Doyle (1859-1930) “Eliminate all other factors, and the one which remains must be the truth.” From The Sign of the Four (Chapter 1), in Sherlock Holmes: The Ultimate Collection (Enhanced Media, 2016). Like this:Like Loading...