Author: Alexander of Hales O.F.M. (b. c. 1185, d. 1245)Paris before 1210 - 1245.

Dating: Alexander studied in Paris from before 1210. From c. 1225 until his death, he was a master of theology at Paris. In 1236/7, he joined the Franciscan order, thus giving the Franciscans their first chair in theology at Paris. Alexander relinquished his chair to John of La Rochelle in 1241. The Summa Alexandri, attributed to Alexander, is a compilation put together by his students after his death.

Works:

Exoticon (guide to strange words) Cambridge, Gonville and Caius College MS 136.

Expositio quattour magistrorum super Regulum Fratrum Minorum edited by Livario Oliger, Expositio quattour magistrorum super Regulum Fratrum Minorum. Storia: Rome, 1950.

Quatuor Quodlibetales see Prolegomena to the Summa, vol. 4 (1948) pp. 134-247, manuscript list given on p. 373.

Glossa in sententias:edited Magistri Alexandri de Hales, Glossa in quatuor libros sententiarum Petri Lombardi. P.P. Collegii S. Bonaventurae. Bibliotheca francescana scholastica medii aevi, vols. 12-15. Quaracchi: Florence, 1951-1957.

Questiones Disputatae "Antequam Esset Frater" edited Questiones Disputatae "Antequam Esset Frater" Magistri Alexandri de Hales, P.P. Collegii S. Bonaventurae. Bibliotheca francescana scholastica medii sevi, vols. 19-21. Quaracchi: Florence, 1960. 3 vols.

Summa Alexandri edited Doctor irrefragabilis Alexandri de Hales ordinis minorum Summa theologica. P.P. Collegii S. Bonaventurae. Quaracchi: Florence, 1924-1948. 4 vols.

Bibliography:

up to 1948, see Prolegomena to Summa, vol. 4 (1948), pp. 378-387.
up to 1975, see F. W. Bautz, "Alexander von Hales," BBK 1 (1975): 109-10.
after 1975, see M. Mückshoff, "Alexander von Hales," LMA 1 (1980): 377-8
Kenan Osborne, "Alexander of Hales," The History of Franciscan Theology, edited by Kenan Osborne, The Franciscan Institute: St. Bonaventure, NY, 1994, pp. 1-38.
Werner Dettlof, "Alexander Halesius," TRE 2 (1978): 245-8
A. Emmen, "Alexander of Hales," NCE 1: 296-7
Stegmüller, 2 (1950): 67-70
Schneyer, 1 (1969): 269-70