Sir Arthur Conan Doyle, born on May 22, 1859, in Edinburgh, Scotland, was a renowned British writer best known for creating the iconic detective Sherlock Holmes. Doyle's literary career spanned a wide range of genres, including historical novels, science fiction, and non-fiction works, but it is his contributions to crime fiction that have left an indelible mark on literature.

Doyle studied medicine at the University of Edinburgh and practiced as a physician before turning to writing full-time. His experiences in medicine influenced many of his stories, particularly those featuring Sherlock Holmes, who was modeled after one of Doyle's professors, Dr. Joseph Bell. Holmes, with his keen observational skills and logical reasoning, became a cultural phenomenon and remains one of the most famous fictional detectives in history.

In addition to the Sherlock Holmes series, Doyle wrote other notable works such as "The Lost World," which explored themes of adventure and scientific discovery. Despite his success, Doyle was also deeply interested in spiritualism and spent much of his later life advocating for these beliefs, often to the chagrin of his fans who expected more Holmes mysteries.

Sir Arthur Conan Doyle passed away on July 7, 1930, leaving behind a legacy that continues to inspire writers and readers alike. His works remain popular worldwide, and his creation of Sherlock Holmes has become synonymous with detective fiction itself.