The lines blur between philosophy, theology, and mysticism. Here are some influential thinkers and texts of the Middle Ages worth exploration.
Avicenna (Ibn Sina, 980-1037)
St. Anselm (1033-1109)
Peter Abelard (c.1079-1142)
Bernard of Clairvaux (1090-1153)
Peter Lombard (c.1100-c.1160)
Averroes (Ibn Roschd, 1126-1198)
Alain of Lille (c.1128 -1203)
St. Bonaventure (1221-1274)
Thomas Aquinas (1225/7-1274)
Meister Eckhart (1260-c.1328)
John Duns Scotus (c.1266-1308)
William of Ockham (1285-1349)
Bridget of Sweden (1304-1373)
Julian of Norwich (1342-c.1429)
Catherine of Siena (1347-1380)
Thomas à Kempis (c. 1380-1471)
The Cloud of Unknowing
Cantor, Norman. "Healing, Hope, and Renewal." The Medieval Reader. NY: HarperCollins Pub., Inc., 1994. 297-305. Anthology section includes excerpts from Thomas Aquinas (299-301), William of Occam (302-303), and The Cloud of Unknowing (303-305).