The Psi Encyclopedia is a new collection of articles and case studies about psi research, the scientific investigation of psychic phenomena. It's a work in progress, being created by the Society for Psychical Research in London. Learn more >

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British applied psychologist and author, who has investigated paranormal phenomena from a sceptical perspective, notably in the Most Haunted television series.

British psychologist specializing in neuroscience, cognition and research methods, who has carried out experimental ESP studies and other psi research.  

British psychologist and psi researcher, whose work has focused on the relationship of creativity and other personality traits with anomalous experiences.

German psychologist and parapsychologist, whose research interests include biographical, cultural and historical aspects of spiritism, occultism and psychical research in Germany.  

British psychology professor, bestselling author and high-profile critic of parapsychology.