St. Anselm (1033–1109) was a Benedictine monk and became the most learned theologian, philosopher, and mystic of his generation, the greatest since St. Augustine. His fame led to his appointment as Archbishop of Canterbury. His abilities as an extraordinary negotiator and statesman greatly supported the cause of the Church. He composed several philosophical and theological treatises which led him to be proclaimed a Doctor of the Church.
Saint Anselm of Canterbury (c. 1033 – 21 April 1109) was a Benedictine monk, who held the office of Archbishop of Canterbury from 1093 to 1109. Called the founder of scholasticism, he has been a major influence in Western theology and is famous as the originator of the ontological argument for the existence of God and the satisfaction theory of atonement. Anselm was proclaimed a Doctor of the Church in 1720 by a Papal Bull of Pope Clement XI.
April 21st - Saint Anslem: Saint Anselm was a Benedictine monk, Christian philosopher, and scholar who is recognized for many intellectual accomplishments, including his application of reason in exploring the mysteries of faith and for his definition of theology as "faith seeking understanding."