Sir Arthur Ignatius Conan Doyle KStJ, DL (22 May 1859 – 7 July 1930) was a British writer and physician, most noted for creating the fictional detective Sherlock Holmes and writing stories about him which are generally considered milestones in the field of crime fiction. He was a prolific writer whose other works include fantasy and science fiction stories, plays, romances, poetry, nonfiction and historical novels.