Neil deGrasse Tyson is an astrophysicist, author, and science communicator. He is the director of the Hayden Planetarium in New York City and has hosted several popular scientific television shows, including "Cosmos: A Spacetime Odyssey," a reboot of Carl Sagan's original series "Cosmos: A Personal Voyage." Tyson is known for his ability to explain complex scientific ideas in accessible and entertaining ways, making science more accessible to the general public. He has written several books on astronomy and science, including "Astrophysics for People in a Hurry" and "Letters from an Astrophysicist." Tyson has also been an advocate for space exploration and has criticized the underfunding of NASA and the lack of political support for scientific research.