Physical Phenomena – Mina Crandon Corpus Margery “Mina” Crandon was a central figure in early 20th‑century investigations of physical mediumship, most notably during the Scientific American tests of the 1920s. Her work belongs to the historical development of parapsychology and Metapsychics, where researchers attempted to examine unusual human experiences through external, material, and ectoplasmic phenomena … Continue reading The Spirit of Mina Crandon