Augustine of Hippo
Augustine of Hippo (November 13, 354 – August 28, 430), also known as St. Augustine, was bishop of Hippo Regius (present-day Algeria). He was a Latin philosopher and theologian and is generally considered as one of the greatest Christian thinkers of all times.
Augustine was born in 354 in Roman Africa. His father, Patricius, was a pagan, and his mother, Monica, was Christian.
After his conversion to Christianity and his baptism in 387, Augustine developed his own approach to philosophy and theology, accommodating a variety of methods and different perspectives. He believed that the grace of Christ was indispensable to human freedom, and he framed the concepts of original sin and just war.
Many Protestants, especially Calvinists, consider him to be one of the theological fathers of the Protestant Reformation due to his teaching on salvation and divine grace.
His memorial is celebrated 28 August, the day of his death. He is the patron saint of brewers, printers, theologians, the alleviation of sore eyes, and a number of cities and dioceses.