Complex sentence: He attended New York University and Stony Brook University, where his professors included the poet Louis Simpson, the novelist Thomas Flanagan, and celebrated "Death of God" theologian Thomas J.J. Altizer.
Split into simpler sentences: He attended New York University and Stony Brook University. Among his professors were the poet Louis Simpson, the novelist Thomas Flanagan, and celebrated "Death of God" theologian Thomas J.J. Altizer.