what was the professional background of the author you mentioned earlier?
A British writer and medical doctor
Arthur Conan Doyle
Sir Arthur Ignatius Conan Doyle (22 May 1859 – 7 July 1930) was a British writer and medical doctor. 
when did season 4 of sherlock come out 1 January 2017 who is the lead character of this series? Sherlock Holmes who was this character originally created by? Sir Arthur Conan Doyle which novel did this character first appear in? "A Study in Scarlet" where was it published? "Beeton's Christmas Annual 1887"
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Arthur Conan Doyle [SEP] Introduction
Sir Arthur Ignatius Conan Doyle (22 May 1859 – 7 July 1930) was a British writer and medical doctor. He created the character Sherlock Holmes in 1887 for "A Study in Scarlet", the first of four novels and fifty-six short stories about Holmes and Dr. Watson. The Sherlock Holmes stories are generally considered milestones in the field of crime fiction. Doyle was a prolific writer; other than Holmes stories, his 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. One of Doyle's early short stories, "J.