16 Celebrities Who Have PhDs and Other Advanced Degrees

9. Greg Graffin

While most people know him as the singer of Bad Religion (a band that he has been a member of since he was 15,) he has a whole second life that he lives when he’s not performing. He has a Ph.D in Zoology. His focus is on evolution and he has spoken and written on the subject. He has had a prehistoric bird named after him and he teaches evolution at Cornell University.