Pope Benedict XVI on Christian thinkers of the first Four Ages of the Church

First Age = Apostolic

Origen Part 1 Part 2 (April-May 2007)

Second Age = Patristic

Augustine Part 1 Part 2 Part 3 Part 4 Part 5 (2008)

Ambrose of Milan (2007)

Jerome Part 1 Part 2 (2007)

Boethius and Cassiodorus (March 12, 2008)

Dionysius the Areopagite (May 14, 2008)

Third Age = Monastic

Isidore of Seville (Jun 18, 2008)

Saint Boniface, the Apostle of the Germans (Mar 11, 2009)

John Scotus Erigena (Jun 10, 2009)

Saint Odo of Cluny (Sep 2, 2009)

Fourth Age = Scholastic

Anselm (Sep 23, 2009)

Peter the Venerable (Oct 14, 2009)

Monastic Theology and Scholastic Theology [ZENIT] (Oct 28, 2009)

Bernard and Abelard (Nov 4, 2009)

The Cluniac Reform [VIS] (Nov 11, 2009)

The Cathedral (Nov 18, 2009)

Hugh (and Richard) of Saint Victor (Nov 25, 2009)

William of Saint-Thierry (Dec 2, 2009)

Rupert of Deutz (Dec 9, 2009)

John of Salisbury [ZENIT] (Dec 16, 2009)

Peter Lombard [VIS] (Dec 30, 2009)

The Mendicant Orders [VIS] (Jan 13, 2010)

[John of Salisbury on Anselm and Becket]