Sir Arthur Conan Doyle was a prolific Scottish writer who created the immortal characters of Sherlock Holmes and Dr. Watson. These masterfully told stories are milestones in the field of crime fiction. His other works include fantasy and science fiction stories about Professor Challenger and humorous stories about the Napoleonic soldier Brigadier Gerard, as well as plays, romances, poetry, non-fiction and historical novels. Doyle was also an advocate for justice, a political reformer, an amateur architect, an avid sportsman, and an avowed Spiritualist.