Published by Dr. Emma Merkling:

Biomedicine and Belief: Spiritualism, Observation, and Margery Crandon’s Extraordinary Body c.1920–35

Summary: This interdisciplinary research project is the first scholarly exploration of the ‘Crandon case’: the testing of the notorious Boston-based spiritualist medium ‘Margery’ Crandon in the years c.1920–35 by a transatlantic team of researchers with medical and scientific pedigree. During séances, ‘Margery’ seemingly produced mysterious physical emanations such as ‘ectoplasm’ from her bodily orifices. Spiritualists like herself believed these to be materialisations of deceased souls. She drew the attention of serious researchers, keen to debunk or verify these extraordinary biological phenomena and so test the empirical reality of her spiritualist claims. This project aims to establish the precise nature of the relationship between biomedicine and heterodox belief in the Crandon case — an important study in the history of the intersections between science and popular belief systems like spiritualism lying outside traditional religion — and assess scope for a future project on medicine and occultic belief. Its research questions are:

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Science, Spiritualism, Stereoscopy: The Spectacular Photographs of ‘Margery’ Crandon

By Dr. Emma Merkling In late 2022 I began working on an INSBS-funded grant project on the scientific testing of the spiritualist medium Mina ‘Margery’ Crandon in Boston, c. 1925. ‘Margery’ was arguably the best-known medium in America at the time, having been made famous by a series of investigations into her mediumship initially funded by the popular magazine Scientific American. These investigations were conducted in Margery’s Boston home by an international group of physicians, physicists, psychical researchers, theologians, and stage magicians (among others) seeking to establish the genuineness of the strange phenomena she manifested in the darkness of the séance room.  These phenomena included a range of spectacular ‘physical’ effects, from levitating tables to the production of ‘ectoplasm’: a strange, tangible substance understood by spiritualists to be the physical manifestation of ‘spirit’ itself, which seemingly emanated from Margery’s orifices during trance states. During séances, her hands held by her

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