In 1893, Arthur Conan Doyle had decided he would put an end to the adventures of Sherlock Holmes so that he could concentrate on "more serious" literary endeavours. Thus the great Professor Moriarty was born, a character designed solely to give London's greatest detective a worthy death in The Final Problem, what was originally planned as Conan Doyle's last hoorah to the character. Sherlock Holmes could not be so easily defeated however, not even...