Eusebius of Caesarea, c. 263–339,[1] called Eusebius Pamphili, became the Bishop of Caesarea[2], in Palestine, about the year 314.[1] He flourished during the time of Constantine the Great and Constantius. His surname Pamphilus came from his relationship with Pamphilus the martyr. Eusebius, historian, exegete and polemicist is one of the more renowned Church Fathers.