How does the theology of Thomas Gallus reconcile the intellectual pursuit of divine knowledge with the affective experience of love and ecstasy? Boyd Taylor Coolman examines the life and work of the thirteenth-century Parisian theologian Thomas Gallus, focusing on his unique synthesis of Dionysian mysticism and scholastic methodology. By analyzing Gallus's commentaries on the works of Pseudo-Dionysius, Coolman argues that Gallus posits a specific psychological and spiritual framework where the intellect is ultimately surpassed by the movement of love toward the divine. This study situates Gallus within the broader context of medieval intellectual history, highlighting his contribution to the development of affective theology.

Scholars recognize this work as the definitive English-language study on Thomas Gallus, providing necessary clarity on a previously under-researched figure. Readers frequently note the academic density of the prose, which is intended for specialists in medieval theology and philosophy.