Феодор Студит
Theodore the Studite (also known as Theodorus Studita, Saint Theodore of Stoudios, and Saint Theodore of Studium; 759–826) was a Byzantine Greek monk and abbot of the Stoudios Monastery in Constantinople. He played a major role in the revivals both of Byzantine monasticism and of classical literary genres in Byzantium. He is known as a zealous opponent of iconoclasm, one of several conflicts that set him at odds with both emperor and patriarch.