Engineer and inventor (1919-2006) who in later life became interested in psychical research. He was the principal investigator of the 1977 Enfield poltergeist case.  

English psychiatrist and author (1905-1992) who attracted notice in the 1970s with books claiming the group reincarnation of members of the Cathars, a medieval French Christian sect.

Edmund Gurney (1847-1888) was a founder member of the Society for Psychical Research, noted for his research on hypnotism, telepathy and apparitions.  

English writer (1880-1943), author of the bestselling lesbian novel The Well of Loneliness, known in psychical research for her detailed 1920 report of sittings with the medium Gladys Leonard.

English chartered surveyor and amateur conjuror (1910-1991), author of controversial books attacking deceased psychics and researchers.

Icelandic academic psychologist and psi researcher (1931-2020), who published extensively on topics such as past life memories and survival encounters.

English historian and psychical researcher (1906-1994) who wrote extensively about psi phenomena and coined the colloquial term ‘boggle threshold’.

British parapsychologist (1912-91) who investigated what he believed to be the electrical origins of paranormal phenomena.

Englishwoman (1895-1980) who wrote a memoir describing her frequent psychic experiences, often in relation to healing and family matters.

J Arthur Hill (1872-1951) was an English author of books on psychical research and spiritualism.