Neil deGrasse Tyson is an astrophysicist at the American Museum of Natural History right here in New York City. He also serves as director of the Hayden Planetarium. Alan Rickman, you may know him from his role in Harry Potter and Die Hard. Professor Charles Lou was a good reference for Neil when he got 4%. That would be four marks out of 100. So let's find out what Alan Rickman tells us about his life experience.