




The most famous medium he debunked was 'Mina Crandon', also known as "Margery", chronicling his exploits in his book, "A Magician Among the Spirits".
These debunking activities cost Houdini the friendship of "Sherlock Holmes" author Sir Arthur Conan Doyle, a firm believer in Spiritualism, who refused to believe any of Houdini's exposés.

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