PBS
Pbs: American Experience: Sir Arthur Conan Doyle Biography
This site from PBS.org features a biographical note about Sir Arthur Conan Doyle (1859-1930), the author of the Sherlock Holmes stories. A photo of the author is also included.
Other
Pro Spiritualism History of Arthur Conan Doyle's Beliefs
This site, provided by First Spiritual Temple, gives a good look into the spiritual beliefs (mediumship and the channeling of souls) of the author of the Sherlock Holmes stories.