One of the most influential philosophers and theologians in the history of Western thought, St Thomas Aquinas established the foundations for much of modern philosophy of religion. Here, Edward Feser argues that you cann...One of the most influential philosophers and theologians in the history of Western thought, St Thomas Aquinas established the foundations for much of modern philosophy of religion. Here, Edward Feser argues that you cannot fully understand Aquinas' philosophy without his theology and vice-versa.