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Harry Houdini

1874–1926

Hungarian-American escape artist and magician.

What they got right

Because he knew how deception works, he could spot it: he exposed fake mediums, including 'Margery' in 1924–25, by looking for the trick.

Skill it shows

Cognitive biases

Practise this skill

Also: Evidence and sources

I am willing to be convinced; my mind is open, but the proof must be such as to leave no vestige of doubt that what is claimed to be done is accomplished only through or by supernatural power.
A Magician Among the Spirits (1924), ch. IXChecked against the 1924 edition scan on archive.org Source

Worth knowing

He was a showman and his methods weren't always scientific; his campaign was also personal, after his mother's death.

Try it yourself

Watch a 'too good to be true' video online. If a magician wanted to fake it, how would they do it?