Saint Thomas Aquinas: Proof of the Existence of God Throughout the history of mankind there has been one question which has plagued even (especially) the most philosophically minded people. This controversial issue centers around not only the belief in an omnipresent, omnipotent, omniscient Overlord, but in the proof of the existence of this Supreme Being. In this paper, I shall undertake the task of providing one of the earliest and most concrete views supporting the existence of such a God, those of Saint Thomas Aquinas, but I shall first begin with a brief account of Godly beliefs before Saint Thomas. There has never been a period in human history where