Sherlock Holmes is one of the most illustrious characters in literary history, with numerous adaptations of himself spread far and wide across a whole range of media. From Robert Downey Jr’s motion picture portrayal to Benedict Cumberbatch’s modern take on the stories, or the more recent CBS series, Elementary, the figure is well known among the public. In 2023, every one of Sir Arthur Conan Doyle’s Sherlock Holmes stories entered the public domain, and the character remains extremely popular today. Nevertheless, the real-life figure Sherlock Holmes is based on is still majorly overlooked.

https://screenrant.com/who-is-sherlock-holmes-based-on-true-story/