Chris Impey is a University Distinguished Professor and Deputy Head of the Department of Astronomy at the University of Arizona. He has over 170 refereed publications on observational cosmology, galaxies, and quasars, and his research has been supported by $20 in grants from NASA and the NSF. He has won eleven teaching awards, and he is currently teaching an online class with over 13,000 enrolled. Impey is a past Vice President of the American Astronomical Society and he has been an NSF Distinguished Teaching Scholar and the Carnegie Council’s Arizona Professor of the Year. He has written over 40 popular articles on cosmology and astrobiology, two introductory textbooks, a novel, and five popular science books: The Living Cosmos (2007, Random House), How It Ends (2010, Norton), How It Began (2012, Norton), Dreams of Other Worlds (2013, Princeton), and Humble Before the Void (2014, Templeton), with two more in preparation.