Professor H. L. Bray
                Math 421: Curves and Surfaces in Three Dimensions
                Math 353: Ordinary and Partial Differential Equations
                Math 333: Complex Analysis
                Math 323s: Classical and Modern Geometry
                Math 190s: The Mathematics of the Universe
                Math 190: Democracy, Game Theory, and Persuasion (cross listed with English and ISS)
                Math 112L: Research Faculty Interactions    
                Math 89s: Game Theory and Democracy
                Duke Mathematics (with office hours listed)