Chrysostomos Archbishop of Etna

Photios I, also known as Saint Photius the Great in the Eastern Orthodox Church, was a preeminent figure in 9th-century Constantinople, serving as Patriarch twice (858-867 and 877-886). He was a highly educated individual from a noble background, renowned as an intellectual powerhouse and a key player in significant ecclesiastical events, including the conversion of the Slavs and the Photian Schism. His career involved navigating complex power struggles between the Byzantine emperors and the Papacy, leading to periods of both recognition and condemnation by different church factions. Despite facing opposition and having his history written by hostile sources, Photios's erudition is evident in his extensive library and his significant contributions to Eastern Church Law.

His life was marked by a transition from a potential monastic path to a career in statesmanship and church leadership. Appointed Patriarch while still a layman, his tenure was contentious, involving disputes over legitimacy, papal authority, and jurisdictional claims, notably concerning Bulgaria. He was deposed and later reinstated, culminating in a council that sought to reconcile the Eastern and Western Churches, though divisions persisted. Photios's intellect and influence extended beyond theology, touching upon philosophy, law, and statecraft, solidifying his position as a pivotal, albeit controversial, historical and religious figure.

Photios I was celebrated as the foremost intellectual of his era, often described as the 'leading light of the ninth-century renaissance.' His vast knowledge spanned theology, history, grammar, philosophy, law, natural sciences, and medicine, as evidenced by his extensive personal library. While some scholars debate whether he formally taught at institutions like Magnaura, it is suggested that he maintained a private center of learning, passionately instructing eager students. He maintained friendships with prominent scholars of his time, such as Leo the Mathematician. Despite his profound erudition, details about his formal education remain scarce. He was known for his sharp intellect, even employing a 'practical joke' in a theological dispute with Patriarch Ignatius, a move later described as a rare instance of humor in theological history.

Photios's ascent to the patriarchal throne was intertwined with political maneuvering. Appointed Patriarch in 858 by Emperor Michael III, his consecration was rapid, occurring shortly after his tonsure as a monk. This appointment, replacing the deposed Ignatius, led to immediate controversy and a schism, with the Pope initially supporting Ignatius. Photios's election was challenged due to procedural irregularities, and papal legates who initially confirmed his position later reversed their stance, excommunicating him. Photios responded by convening a council and attempting to excommunicate the Pope, citing heresy. The situation was further complicated by disputes over papal authority and jurisdiction in Bulgaria. Following the deposition of his patrons, Photios was removed, but he later regained influence, eventually returning to the patriarchal office upon Ignatius's death in 877.

During his second tenure as Patriarch, Photios convened a council in 879, attended by papal legates, which aimed for broader recognition of his position. This council sought to address key points of contention between the Eastern and Western Churches, including the Filioque clause and papal authority. While Photios stood firm on these theological and jurisdictional issues, refusing to apologize to the Pope and rejecting the Filioque, a nominal return of Bulgaria to Roman jurisdiction was agreed upon. Despite these efforts, the council did not fully resolve the schism, and differing interpretations of subsequent councils, particularly the Fourth Council of Constantinople, highlight the enduring divisions. Photios is recognized in the Eastern Orthodox Church as 'Saint Photius the Great' and is considered a foundational figure for Eastern Church Law, comparable to Gratian in the West.