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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American psychologist and parapsychologist who is internationally known for research on the nature of consciousness and has experimented widely in psi and out-of-body experiences.
American psychologist, parapsychologist and author (1895-1979) who made major contributions to psychology and parapsychology in a career that spanned six decades.
Describes the view of  some scientists and medical professionals during the nineteenth and early twentieth centuries that mediumship was an abnormal, pathological condition.   
American physicist, laser pioneer and parapsychologist who collaborated with Hal Puthoff in the study of remote viewing, the basis of the psychic espionage program known as Star Gate. 
Well-known experimental methods in parapsychology include card guessing, dice throwing, ganzfeld and remote viewing. This article describes some recent, less common approaches.