Neil deGrasse Tyson is an American astrophysicist, cosmologist, author, and science communicator. He is the Frederick P. Rose Director of the Hayden Planetarium at the Rose Center for Earth and Space and a research associate in the department of astrophysics at the American Museum of Natural History. He is known for his popular science books and media appearances, including his work hosting the television show Cosmos: A Spacetime Odyssey.