Alexander of Hales
English Franciscan theologian and philosopher
- Lived
- 1185–1245
- Country
- England
Updated September 2026
About Alexander of Hales
Alexander of Hales —known also as Doctor Irrefragibilis, or "Irrefutable Teacher", and as Theologorum Monarcha —was a Franciscan friar, theologian, and philosopher instrumental to the development of scholasticism.
Biography from Wikipedia, CC BY-SA 4.0. Photo via Wikimedia Commons.
Sources: book lists and dates from Wikidata and Open Library, ratings from Open Library readers. Last updated September 2026.