Great Christian thinkers: from the early Church through the Middle Ages

Heirs of the Apostles. St. Clement, Bishop of Rome ; St. Ignatius of Antioch ; St. Justin, philosopher and martyr ; St. Irenaeus of Lyons ; Clement of Alexandria ; Origen of Alexandria ; Tertullian ; St. Cyprian ; Eusebius of Caesarea

Great teachers of the ancient Church. St. Athanasius of Alexandria ; St. Cyril of Jerusalem ; St. Basil ; St. Gregory of Nazianzus ; St. Gregory of Nyssa ; St. John Chrysostom ; St. Cyril of Alexandria ; St. Hilary of Poitiers ; St. Eusebius of Vercelli ; St Ambrose of Milan ; St. Maximus of Turin ; St. Jerome ; Aphraates, "the sage" ; St. Ephrem ; St. Paulinus of Nola ; St. Augustine of Hippo ; St. Leo the Great ; Boethius and Cassiodorus ; St. Benedict of Nursia ; Pseudo-Dionysius the Areopagite ; St. Romanus the melodist

Monks and missionaries. St. Gregory the Great ; St. Columban ; St. Isidore of Seville ; St. Maximus the Confessor ; John Climacus ; Bede the Venerable ; St. Boniface, Apostle of the Germans ; Germanus of Constantinople ; John Damascene ; Saint Theodore the Studite ; Rabanus Maurus ; John Scotus Erigena ; Sts. Cyril and Methodius ; St. Odo of Cluny ; St. Peter Damian ; Symeon the new theologian

Mystics, mendicants, and scholastics. St. Anselm ; Peter the Venerable ; St. Bernard of Clairvaux ; Bernard and Peter Abelard : two contrasting theological models ; Hugh and Richard of Saint-Victor ; William of Saint-Thierry ; St. Hildegard of Bingen ; John of Salisbury ; Peter Lombard ; St. Francis of Assisi ; St. Clare of Assisi ; St. Dominic de Guzmán ; St. Anthony of Padua ; St. Bonaventure ; St. Matilda of Hackeborn ; St. Gertrude the Great ; St. Elizabeth of Hungary ; St. Albert the Great ; St. Thomas Aquinas ; Marguerite d'Oingt ; John Duns Scotus ; St. Bridget of Sweden ; St. Catherine of Siena ; Julian of Norwich.