biography
| sex:
| female
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| lived:
| (1857–1950)
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| biography:
| US medium, discovered in 1885 by William James. Mrs Piper's trance speech and writing were studied extensively (1885–1911) by James and other members of the American and British Societies for Psychical Research. She became for William James his ‘white crow’, when he became convinced of the paranormal origin of some of her trance utterances. |
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