Complex sentence: Richard Curry Marius (July 29,1933--November 5,1999) was a Reformation scholar, a novelist of the American South, a speechwriter, and a teacher of writing and English literature at Harvard University.
Split into simpler sentences: Richard Curry Marius (July 29,1933--November 5,1999) was an American academic and writer. He was a scholar of the Reformation, novelist of the American South, speechwriter, and teacher of writing and English literature at Harvard University.