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====The occult====

The author was writing during the Romantic period which was fascinated by the occult and magic. Supernatural and occult stories from German were especially popular.<ref> Conger, Syndy McMillen. "A German Ancestor for Mary Shelley's Monster: Kahlert, Schiller, and the Buried Treasure of" Northanger Abbey"." Philological Quarterly 59, no. 2 (1980), p. 216</ref> Mary Shelly was very familiar with stories about Medieval alchemists.