The body of C.S. Lewis' work, from his essays to his fiction, plumbs key problems caused in higher education by Modernists. In both The Screwtape Letters and The Abolition of Man, he delineates the devolution of human souls deprived of meaning and dependent only on material fact. In the third book of his science fiction trilogy, That Hideous Strength, he creates vivid scenes of battle between two warring factions, the Progressives...