Gregory I - the Logos - Pope of Rome
The Mass known as “Pre-sanctified” is attributed to him, which is held during the days of Great Lent, except for Saturdays and Sundays. He is called Saint
Isichios of Antioch, the saint and martyr
Isichios was one of the men of the sheikhdom in Antioch and held a prominent position in the imperial palace there. That was the time of Caesar Maximian