Sedacer, Guillaume
(1,290 words)

Sedacer, Guillaume (Guillelmus Sedacerii), *?, † 1382

Very little is known of the life of this Catalan Carmelite, except that he benefited, at least during the last years of his life, from the protection of the Infante John of Aragon (future John I, who reigned from 1387 to 1395), known for the sympathy he had for the alchemists. The description, preserved in a notarized act, of thirty-four manuscripts that had belonged to Sedacer, makes it possible to determine his three main centers of interest: astronomy/ → astrology, medicine and, especially, → alchemy.

Posterity has retained only …

Cite this page
Barthélemy, Pascale, “Sedacer, Guillaume”, in: Dictionary of Gnosis & Western Esotericism. Consulted online on 10 December 2018 <http://dx.doi.org/10.1163/1873-8338_dgwe_DGWE_342>
First published online: 2008
First print edition: ISBN: 9789004141872, 20061031



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