Emile Gaboriau (1833-1873) is an important figure in the history of detective fiction. A French journalist and novelist, he created the "roman policier" with a series of books involving private detective Monsieur Lecoq, who works logically. Lecoq was based on a real-life thief turned policeman named Francois Vidocq (1775-1857), whose memoirs mixed fiction and fact. Gaboriau's huge following was ec...