Do Angels and Demons Exist?
Many theologians take angels and demons seriously. Why? Certainly, most human beings believe in angels and demons. Certainly, such nonphysical beings, in one form or another, populate most of the world's religions.
J.P. Moreland works on Christian systematic theology, especally mind, consciousnes, soul
Tom Flint works on philosophical theology, philosophy/religion, metaphysics (fore/middle...
Walter Sinnott-Armstrong works in ethics, neuro-ethics; philosophy of law, religion;...