The author who became famous for detective novels featuring Sherlock Holmes is Arthur Conan Doyle. His creation of the iconic detective in stories like "A Study in Scarlet" and "The Hound of the Baskervilles" transformed the detective genre. Doyle's intricate plots and Holmes's exceptional deductive reasoning captivated readers and established a template for future detective fiction. The character's enduring popularity has led to numerous adaptations, securing Holmes's place as one of literature's most legendary figures in solving mysteries.