Margaret Fox (1836-1893) was an American spiritualist, born in Bath, Canada. In approximately 1848, in Hydesville, Wayne, County, NY, the Fox's heard rapping noises, which appeared to emit from the walls and furniture, in their residence. Margaret and her two sisters, Catherine and Leah, discovered that by means of a given code, communication could be established with the presumably supernatural agency by which the raps were produced. Wikipedia
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