This concept of intellect over nature is derived from the pseudo-Aristotelian Liber de Causis.
The history of medieval alchemy formed the central focus of Newman's early work, which included several studies of Roger Bacon and culminated in an edition, translation, and study of the Latin alchemist who wrote under the assumed name of "Geber" (a transliteration of "Jābir", from "Jābir ibn Hayyān"), probably Paul of Taranto.
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