WORKS OF ST. ANSELM PROSLOGIUM; MONOLOGIUM; AN APPENDIX IN BEHALF OF THE FOOL BY GAUNILON; AND CUR DEUS HOMO (Medieval Christian theology and Philosophy) … BELIEFS AND PRACTICES (English Edition)

St. Anselm of Canterbury (b. 1033 d. 1099) was a medieval Italian cleric, philosopher and theologian. He originated the ontological argument for the existence of God in his treatise Proslogium (or Proslogion). Anselm held the post of the Archbishop of Canterbury from 1093 to 1109.

He is a medieval Italian scholar who originated the ontological argument for the existence of God based on Medieval Christian theology, Philosophy of Roman Catholic Church.