Author, musician and paranormal researcher (1950-1990) who became a public figurehead for parapsychology through his many writings, lectures, and radio and television appearances.

American psychologist and parapsychologist (1926–2012) noted for reports of dramatic poltergeist phenomena, which he attributed to unconscious psychokinesis in emotionally disturbed young persons.

British parapsychologist, educator and author, whose research has probed the relationship between meditation and psi performance.

Scottish astronomer,  psi researcher and author (1924-2012), founder of the Scottish Society for Psychical Research (SSPR), who carried out investigations of hauntings and mediumship. 

British researcher interested in the effect of geomagnetic activity on ESP, also in psi's philosophical and sociological implications.

British psychologist and psychical researcher (1883-1959), who helped generate the body of survival evidence known as the Cross-Correspondences.

Lawyer and psychical researcher (1880-1969), a one-time president of the Society for Psychical Research, with a particular interest in mental mediumship and the cross-correspondences.

British psychical researcher (1881-1943) who wrote on mediumship, precognition and survival issues. He published two books, Evidence of Personal Survival from Cross-Correspondences and Foreknowledge, later reprinted in a single volume The Future and Beyond. 

British parapsychologist (1952-2018) who in the 1970s reported successful ganzfeld telepathy experiments. The results were later cast in doubt by claims of deception by a prominent sceptic. 

Psychologist and psi researcher at the University of Northampton, with research interests in dreams, survival and the neuropsychology of anomalous experiences.