A good professor can turn an otherwise humdrum class into a literary lituation. If you've taken college courses, you know professors run the gamut. There's the erratic professor with strong opinions, the mumbler who needs to speak up, the harsh grader, the jokester, the list goes on. There are countless amazing educators gracing the world of academic and some of them just so happen to be celebrities. From fashion and design to music education and film, celebrities have turned their expert wisdom into college courses. Each artist brings their own insight into their college lessons. Here are some of our favorite famous professors: