In the 1860s, Mumler rose to fame as a photographer of spirits. Whether Mumler was earnest or was just fleecing people is a tricky question, in part because while evidence mounted against him, he always professed his innocence.
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Behind the Scenes Minis: Self-talk Hoax
19:57

The Pompey Stone Hoax
35:25

Émile Coué and Autosuggestion
39:52