Too much Holmes is no more likely than too much foie gras and no less desirable... Will delight his fans --Observer Biografía del autor Sir Arthur Ignatius Conan Doyle DL (22 May 1859 - 7 July 1930) was a Scottish physician and writer, most noted for his stories about the detective Sherlock Holmes, generally considered a milestone in the field of crime fiction, and for the adventures of Professor Challenger. He was a prolific writer whose other works include science-fiction stories, plays, romances, poetry, non-fiction and historical novels.