Peter Thiel is the investor, entrepreneur and philanthropist who likes to deride college as pointless. He even offers fellowships for talented students to drop out of or stay out of college. So what's he doing this spring? He'll be teaching at Stanford University, Reuters reported. His course, "Computer Science 183: Startup," is already full, and students are enthusiastic. Some at Stanford question the idea of having as an instructor someone who questions the rationale behind college.