The Crookes spirit-photography experiments

Record summary

William Crookes’s association with mediumistic investigations, including spirit-photography claims linked to figures such as Florence Cook, generated controversy over whether photographic images represented apparitions or were produced by ordinary means. The material is valuable for comparing visual evidence, laboratory authority, séance conditions and later forensic skepticism. It also shows how nineteenth-century apparition reports moved between spiritualist circles, scientific institutions and popular journalism. The surviving images and captions must be separated from later reproductions, altered interpretations and claims that Crookes endorsed more than his records demonstrate.