Furnishes a review of the Gnostic leaders life during the 2nd century AD. Details his religious views which were controversial at the time.

Stephan A. Hoeller describes how Gnostic leader Valentinus almost became pope and details his philosophical and religious views.

Several chapters from the 6th Book of the "Refutation of All Heresies" explain the heretical Gnostic beliefs of Valentinus.

T. Apiryon provides an overview of the life of the Alexandrian Gnostic philosopher whose religious views led to his Christian excommunication.

Chronicles the life of the Egyptian Gnostic heretic of the 2nd century and the Oriental and Italian schools he founded.