British-born psychical researcher and author (1880-1958) resident in the USA, noted in particular for his participation in a landmark investigation of the physical medium Eusapia Palladino. 

German-born author and researcher (1920-2003) with wide interests in psychical research.  

Arthur Chattock (1860-1934) was a British physicist who carried out telepathy experiments, now of mainly historical interest.

British teacher (1913-2010), priest and author of books mainly on theology, who in later life pursued an interest in psychical research, in particular reincarnation.

British psychologist who carries out research in parapsychology and thanatology, and in media appearances promotes critical thinking in science.

Investigator associated with the Society for Psychical Research (1923-2010) who authored reports on poltergeist and haunting cases, some in collaboration with fellow parapsychologist Alan Gauld.

William Crawford (1881-1920), a college lecturer in mechanical engineering, is known for his investigation of paranormal phenomena produced by a Spiritualist circle in Belfast.

English geologist (1890-1981) who published collections of out-of-body experiences as evidence of ‘astral projection’ and postmortem survival.

British scientist who carried out controversial experiments with Daniel Home and other mediums in the 1870s. His claim to have discovered a new ‘psychic force’ was  contested by other scientists, but his reports continue to be widely discussed.

Nobel prize-winning French physicist (1859–1906) who in the years before his untimely death in a traffic accident became enthusiastic about the phenomena he witnessed in the seance room.