This document provides biographical information about Sir Arthur Conan Doyle and summarizes his famous work The Hound of the Baskervilles. It discusses that Conan Doyle was born in Scotland and originally practiced medicine, but found success as an author writing Sherlock Holmes stories. It describes how readers were outraged when he killed off Holmes but later brought the character back in The Hound of the Baskervilles, inspired by a local legend. It briefly summarizes the plot and settings that inspired locations in the novel, and notes that Conan Doyle ultimately wrote more Holmes stories before retiring the character.