William James: Leonora Piper’s 18-Year Study
Explore how William James, a Harvard psychologist, investigated Leonora Piper's mediumship for 18 years, shaping early parapsychology. Discover the history and
23 Jul 2026
5 min
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Explore how William James, a Harvard psychologist, investigated Leonora Piper's mediumship for 18 years, shaping early parapsychology. Discover the history and