Sir Arthur Ignatius Conan Doyle DL (22 May 1859 – 7 July 1930[1]) was a Scottish[2] 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, historical novels and humours ('Exploits of Brigadier E.Gerard').
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