Chris ImpeyChris Impey is a University Distinguished Professor and Deputy Head of the Department of Astronomy at the University of Arizona. He wrote the well-received astrobiology book The Living Cosmos (Random House, 2007), the popular science book How It Ends(Norton, 2010) and Talking about Life (Cambridge University Press, 2010), a collection of interviews with astronomers, geologists, biologists and writers. Read More Read Less