San Cirilo, Obispo ng Jerusalem at Doktor ng Simbahan

San Cirilo of Jerusalem ay a prominent teologo at Bishop of Jerusalem in the ika-4 siglo. Ipinanganak noong mga 313 AD, siya played a key role in defending orthodox Kristiyano teachings sa panahon ng the Arian heresy. Bilang Obispo, siya emphasized the importance of Kristiyano catechesis at ang kanyang Catechetical Lectures ay considered a masterpiece of early Kristiyano literature. Cirilo ay exiled multiple times due to political conflicts, ngunit remained steadfast in kanyang pananampalataya. Siya ay sinasamba as a Doktor ng Simbahan for kanyang extensive writings on theology at ang kanyang role in shaping early Kristiyano doctrine.