Isaac of Nineveh — Greek Saint
Isaac of Nineveh also remembered as Saint Isaac the Syrian,Abba Isaac, Isaac Syrus and Isaac of Qatar was a 7th-century Syriac Christian bishop and theologian best remembered for his written works on Christian asceticism. He is also regarded as a saint in the Church of the East, the Orthodox Church, and among the Oriental Churches, making him the last saint chronologically to be recognised by every apostolic Church of the Christian East. His feast day falls, together with 4th-century theologian and hymnographer St. Ephrem the Syrian, on January 28... (wikipedia)