William Sivertsen

William Sivertsen is an American author and historian, best known for his work on the Sherlock Holmes canon. He has written several books on the subject, including 'The Sherlock Holmes Encyclopedia' and 'The Baker Street Irregulars'. Sivertsen has also contributed to numerous other books and articles on the topic of Sherlock Holmes. He is a member of the Sherlockian Society and has been recognized for his expertise on the subject. Sivertsen has a strong online presence, with a website and social media accounts dedicated to his work. He is known for his in-depth knowledge of the Sherlock Holmes canon and has become a respected voice in the Sherlockian community.