American psychologist, parapsychologist and educator (b 1951) whose research has included ESP experiments, survey studies of psi experiences, and examinations of parapsychology texts from a science studies point of view.
American psychologist, parapsychologist and educator (b 1951) whose research has included ESP experiments, survey studies of psi experiences, and examinations of parapsychology texts from a science studies point of view.
Dutch psychical researcher and commentator (1898-1990), chiefly remembered for his many books and articles on parapsychological topics.