Fitzharris details diagnostic methods of Joseph Bell in new biography

Medical historian Lindsey Fitzharris has released a new biography of Joseph Bell, the Edinburgh surgeon whose clinical habits inspired Sir Arthur Conan Doyle to create Sherlock Holmes. The book, titled Sleuth-Hound: The Case of the Real Sherlock Holmes, focuses on Bell's diagnostic methods rather than just his connection to the fictional detective.

The publication follows Fitzharris's previous works on medical history, including The Butchering Art, a 2017 biography of Joseph Lister, and The Facemaker, a 2022 book about World War I surgeon Harold Gillies. She also hosted a 2020 documentary for the Smithsonian Channel and co-authored an illustrated children's book called Dead Ends! with her husband, caricaturist Adrian Teal, in 2025.

Bell was a renowned surgeon at the University of Edinburgh who taught Conan Doyle when the author was a young medical student. He was known for identifying a patient's occupation, personal habits, and ailments through visual observation alone. One specific incident involved Bell determining a patient's walking route to the infirmary by analyzing the type of clay on their boots. Doyle later adapted this scenario for the novel The Sign of the Four.

Fitzharris stated that she wanted to bring a medical history lens to Bell's story. She noted that while the Sherlockian community had some knowledge of Bell through a 1982 book by Ely Liebow, no major commercial biography had examined his medical practices in depth. The new book aims to fill that gap by detailing his work as a medical detective, including his collaboration with a local police surgeon on high-profile murder cases.

The release of Sleuth-Hound adds to the extensive body of work surrounding the Sherlock Holmes franchise, which includes numerous novels, films, and television series. By centering the narrative on the real surgeon, the book offers a specific look at the clinical environment in late 19th-century Edinburgh, a setting that also featured the discovery of ether and the activities of body snatchers during the same period.

Fitzharris described Bell's diagnostic approach as peculiar but effective. She highlighted the specific incident regarding the clay on the boots as a prime example of his observational skills. The book positions Bell not just as an inspiration for a literary character, but as a distinct figure in the history of medical diagnosis and forensic investigation.