Bishop of Caesarea in Cappadocia, Firmus was one of the leaders of the Cyrillian party at the Council of Ephesus (431), in opposition to Nestorius and Antiochene Christology. There remain 45 letters and a homily of his. He died in 439. His letters reveal a cultured man, well-versed in all the resources of rhetoric.
Birth date | ? |
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Death date | |
Activity | Césarée, Turkey |
Group of authors | Greece, Minor Asia (including Constantinople) |