The philosopher Charles S Peirce, founder of American Pragmatism, took a skeptical but open-minded interest in psychical research. This article examines the views and comments found in his...

American-Canadian psychology professor and psi experimenter (1945-2018) noted for his ‘god helmet’, a device he claimed could induce paranormal-seeming experiences in the wearer by means of a weak magnetic field.

Mikhail Petrovo-Solovovo (1868-1954) was a Russian diplomat and psychical researcher with a particular interest in physical mediumship.

John George Piddington (1869-1952) was a successful British businessman who played a leading role in the Society for Psychical Research, notably in the investigation of mental mediumship.

Frank Podmore (1856-1910) played a significant role in the early years of the Society for Psychical Research, initially as an investigator, later as a proponent of mainly non-paranormal interpretations of psi phenomena.  

American psychiatrist who has conducted successful ESP research with autistic children.

South African-born zoologist and author, a former president of the Society for Psychical Research, with particular interests in out-of-body experiences and the thought of philosopher Michael Whiteman.

American psychologist and parapsychologist (1910-1979) best known for successful ESP experiments at Duke University and for extensive later research with Pavel Stepanek, a Czech psychic.

Harry Price (1881-1948) was a British paranormal investigator, who caused controversy with numerous high-profile investigations of hauntings and other psychic phenomena. 

English novelist and playwright (1894-1984). Many of his works were constructed around the concept of time and precognition, topics of particular interest in the domain of psychical research.