Alexander of Hales

Alexander of Hales OFM (also Halensis, Alensis, Halesius, Alesius), also called Doctor Irrefragibilis (by Pope Alexander IV in the Bull De Fontibus Paradisi) and Theologorum Monarcha, was a theologian and philosopher important in the development of Scholasticism and of the Franciscan School. Born: c. 1185 Died: 21 August 1245