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October 5, 2022 42 min

Johann George Schrepfer’s life story is clouded by his embellished and falsified tales of his necromancy and spiritualism. And both his followers and detractors also gave biased and incorrect accounts of their interactions with him.


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  • Britannica, The Editors of Encyclopaedia. "Freemasonry". Encyclopedia Britannica, 13 Aug. 2022,
  • Geffarth, Renko. “The Masonic Necromancer: Shifting Identities In The Lives Of Johann Georg Schrepfer.” Brill. 2007.
  • Museum - Naturalienkabinett Waldenburg. "Laterna magica" last modified 2021-11-26.
  • Wustmann, Gustav, "Schrepfer, Johann Georg" in: Allgemeine Deutsche Biographie 32 (1891), pp. 490-491 [online version]; URL:
  • Museum - Naturalienkabinett Waldenburg. "Geisterkasten" last modified 2021-11-26.
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