Dr. Christopher John Lintott is an astrophysicist, author, and broadcaster. Currently, he is a Professor of Astrophysics at the University of Oxford, and at Gresham College. He is also the primary presenter of the BBC television series "The Sky at Night." Lintott co-authored "Bang! – The Complete History of the Universe and The Cosmic Tourist," which was published in 2006, and "The Cosmic Tourist: The 100 Most Awe-inspiring Destinations in the Universe," which was published in 2012. His solo book, "The Crowd and the Cosmos: Adventures in the Zooniverse," was published in 2019.