Photius
Photios I (Greek: Φώτιος, Phōtios; c. 810/820 – 6 February 893)
was the the
ecumenical patriarch of Constantinople
from 858 to 867 CE and from 877 to 886 CE (
wikipedia
). He was the author of a number of books - the most famous being
Biblioteca
- composed of 279 reviews of books he had read (
wikipedia
). As the originals of many of these books have been lost
Biblioteca
preserves much ancient literature including an an
epitome
of
Philostorgius'
'Church History'.