Charles Liu is a Professor of Astrophysics at the City University of New York's College of Staten Island, an Associate with the Hayden Planetarium, and of the department of astrophysics at the American Museum of Natural History in New York. He is a regular co-host on the famous StarTalk show, and received the 2001 American Institute of Physics Science Writing Award for his book One Universe: At Home in the Cosmos. He lives in Montclair, New Jersey.