Also:
Assyrian Church of the East 424 A.D. First Catholicos, Mar Dadisho I, became independent.
Armenian synod rejected the christological teachings of the Council of Chalcedon in 506 A.D.
There are five other Oriental Orthodox Churches besides the Armenians, objecting to Chalcedon.
Tome of Leo is a point of controversy, yes, even in modern times.
- The Tome is a compromise between Cyrilline and Antiochene theology.
- Displeasing to Monophysites in its assertion that the two natures of Christ are true subjects of action.
- Russian theologians are wary of it in that it presents only Cyrilline Christology as the faith.
- Those of Mt. Athos oppose it as they oppose pro-Monophysite eirenicism.
See: Rome and the Eastern Churches By Aidan Nichols, Op Nichols, see pages 131-132.
Cyrilline School, John 1:14: “And the Word became flesh”
Antiochian School: Colossians 2:9 “For in Him dwells the fullness of the Godhead bodily”.