TW Mitchell (1869-1944) was a medical psychologist and psychotherapist with an interest in cases of multiple personality (dissociative identity disorder).

Quantum engineer at the University of Colarado who has carried out experiments in applied psi and remote viewing.

Brazilian psychiatrist who has carried out empirical studies of mediumship and spiritual experiences.

American parapsychologist (1942-2004), chair of Edinburgh's Koestler Parapsychology Unit,  many of whose doctoral students now teach parapsychology in British universities.

Study on mediumship by an Italian psychiatrist and psychical researcher (1852-1929), focusing in particular on Eusapia Palladino, with the emphasis on clinical and psychological aspects. 

American cognitive neuroscientist, author and educator who has carried out parapsychological studies, notably on precognition and presentiment effects.

American author (1903-1969) of books about his out-of-body experiences, which he said occurred throughout his life, and which by experiment he found he could largely control.  

Scottish philosophy professor (1916-1989) who participated in telepathy experiments and published commentary on psychical research.

American psychologist, parapsychologist and author (1895–1979) who made major contributions to psychology and parapsychology in a career that spanned six decades.

Australian-British classics scholar (1866-1957), significant in the literature of psychical research for his striking success in informal telepathy experiments.