Sir Arthur Conan Doyle was a Scottish physician and writer best known for his fictional stories about the detective Sherlock Holmes. He was sent to a Jesuit school at age nine and later rejected Catholicism to become agnostic. His most famous works were the Sherlock Holmes stories featuring the brilliant detective who used logical reasoning and forensic skills to solve difficult cases. The stories were published in magazines starting in 1887 and featured in four novels and 56 short stories, mostly narrated by Holmes's friend Dr. Watson. Sherlock Holmes became tremendously popular for his abilities that bordered on the fantastic.