Dictionary of Gnosis & Western Esotericism

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Pierre d'Ailly
(1,031 words)

d'Ailly, Pierre (Petrus de Alliaco), * 1350 or 1351 (Compiègne), † 1420 (Avignon)

Chancellor of the University of Paris from 1389 to 1395; Bishop of Le Puy from 1395 to 1396, of Noyon in 1396 to 1397, and of Cambrai from 1397; and Cardinal from 1411 until his death. A prolific author in matters of theology, ecclesiology, and natural philosophy (including → astrology), d'Ailly was primarily known as one of the leading churchmen during the years of the Great Schism (1378-1414). A noted proponent of the conciliar solution to the crisis, he played a crucial ro…

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Smoller, Laura Ackerman, “Pierre d'Ailly”, in: Dictionary of Gnosis & Western Esotericism. Consulted online on 19 April 2019 <http://dx.doi.org/10.1163/1873-8338_dgwe_DGWE_289>
First published online: 2008
First print edition: ISBN: 9789004141872, 20061031

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