Sue T. asks: My sister told me Sherlock Holmes was based on a real person. Is this true? In 1887, Doyle published the novel “A Study in Scarlet.” It was the first work to star Sherlock Holmes and Dr. Watson. It was also the first record of a magnifying glass being used as a tool of investigation. “A Study in … Continue reading Was the Character of Sherlock Holmes Based on a Real Person?