Neil deGrasse Tyson is an astrophysicist with the American Museum of Natural History and Director of the Hayden Planetarium. He is also the host of the hit radio and Emmy-nominated TV show StarTalk, and the New York Times best-selling author of Astrophysics for People in a Hurry and the author of a number of other notable books, the latest of which is titled Letters from an Astrophysicist. He earned his BA in physics from Harvard and his PhD in astrophysics from Columbia.