Philosophy Renato Cristi, PhD Leo A. Groarke, PhD, Chair Jos‚ Huertas-Jourda, PhD Rockney A. Jacobsen, PhD Robert B. Langen, MA, Professor Emeritus Robert F. Litke, PhD Graham Solomon, PhD Notes: 1. No prerequisite is required for PY110, PY111, PY201, PY204. 2. Senior students (i.e. students who have successfully completed five credits at the University) may take any 200-level course without a prerequisite.