Una Troubridge (1897-1963), an English sculptor and translator, carried out mediumship research together with the novelist Radclyffe Hall.

English mathematician, physicist and radio engineer (1879-1952), actively involved in psychical research and noted for his commentary on the topic of apparitions.

American psychiatrist and parapsychologist who in landmark 1960s experiments demonstrated ESP occurring in the dream state.

Leading American statistician who has endorsed statistical findings in parapsychology, notably with regard to research associated with the Star Gate remote viewing program.  

Robert Van de Castle (1927–2014) was an American psychologist specializing in dream research. He was active in parapsychology, both as an experimenter in ESP dreaming and also as a subject, in...

American parapsychologist living in France, president of the Institut Métapsychique International.

Leonid Vasiliev (1891–1966), a physiologist and parapsychologist at the University of Leningrad, reported numerous successful experiments in ‘mental suggestion’ (telepathy).

Annalisa Ventola is executive director of the Parapsychological Association, and has carried out research into the psychological variables involved in poltergeist and haunting episodes.

British psychologist and book author specializing in neuroscience, cognition and research methods, who has carried out experimental ESP studies and other psi research.  

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