Pierre d'Ailly (1350–1420)
Born 1350 CE, died 1420 CE.
Pierre d'Ailly (French: [d‿aji]; Latin: Petrus Aliacensis, Petrus de Alliaco; 1351 – 9 August 1420) was a French theologian, astrologer and cardinal of the Roman Catholic Church.
Text from the Wikipedia article Pierre_d'Ailly, licensed CC BY-SA 4.0.