Carlos S Alvarado (1955–2021) received his PhD in Psychology from the University of Edinburgh. He was a Research Fellow at the Parapsychology Foundation, an Associate Editor of the Journal of Scientific Exploration, and a past President of the Parapsychological Association. Alvarado’s work centred on survey research (on out-of-body experiences and other psychic experiences) and studies about the history of psychical research. Alvarado authored over 280 papers in history, psychology, psychiatry, and parapsychology journals. He was recipient of the Parapsychological Association’s Outstanding Contribution Award in 2010.