Whenever we watch — with its sharp deductive leaps, dramatic reveals, forensic flair, and brooding genius — it’s tempting to believe Holmes might’ve walked the foggy streets of London “for real.” But while Sherlock Holmes remains a fictional creation, his roots are deeply entwined with real 19th-century detective history — and comparing those real origins to the show reveals fascinating contrasts between classic detective science and Hollywood-style genius.

The character of Sherlock Holmes, as originally imagined by author Arthur Conan Doyle, drew on Victorian-era advances in forensic science and growing public fascination with crime and detection.
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