Leading member of the Society for Psychical Research (1857-1916), notable for her study of automatic writing, which she herself successfully practised.

German clinical psychologist and psi researcher who has collaborated with physicists to develop an explanatory theory of psi based on quantum mechanics.

French parapsychologist (1881-1962) who published numerous books and articles on experiments in telepathy by means of transmission of drawings.

Scottish psychologist and seecond holder of the Koestler Chair of Parapsychology, who has made contributions to understanding psi from both a proponent and sceptic angle.

Council member of the Society for Psychical Research (b 1947) with a particular interest in the history of mediums in her native Poland.

English psychiatrist and criminologist (1924–2020) who published his first ESP results in 1941, aged 17, and remained an active member of the Society for Psychical Research for eight decades.  

Michael Whiteman (1906–2007), a British-born mathematician living in South Africa, wrote books and articles inspired by his many psychical and mystical experiences. 

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

Marc Wittmann is a cognitive neuroscientist based in Freiburg, Germany, where he conducts research on time perception and psi phenomena.

Neuroscientist at the University of Oregon who has published research on the veridical and transformative effects of near-death experiences. She is the author of Infinite Awareness: The Awakening of a Scientific Mind (2015).