St. Thomas Aquinas is perhaps the greatest Doctor of the Catholic Church. His influence in Catholic theology, philosophy, liturgy, and spirituality is unparalleled. This book contains the biography of the saint as well as a discussion of his place in philosophy and the life of the Church. A collection of sources, this book contains documents from Pope Leo XIII, Pope St. Pius X, and Pope Pius XI. D. J. Kennedy, O.P. describes the place of St. Thomas...