Abstract
These lectures, delivered as part of the 1962 St. Augustine Lecture Series at Villanova University, develop the Thomistic conception of man as an "intellectual soul" which itself is both a self-subsisting substance and a substantial form. So viewed, man's unity consists in being a composite reality, not in the sense of a soul and a body functioning as co-parts of a whole, but in the sense of an intelligible substance which requires an organic body to realize its own nature. The lectures neither criticize nor explicitly defend these claims but rather present them as a novel interpretation of man. This Aquinas was able to construct by drawing the conceptual tools of form, matter and substance from Aristotelian metaphysics and the view of man as an historical pilgrim from Augustinian theology.--B. G. R.