Frontiers of Astrobiology

Chris Impey is a University Distinguished Professor and Deputy Head of the Department of Astronomy at the University of Arizona, Tucson. His research interests are observational cosmology, gravitational lensing and the evolution and structure of galaxies. He is a past Vice President of the American Astronomical Society, a Fellow of the AAAS and has been NSF Distinguished Teaching Scholar, Phi Beta Kappa Visiting Scholar and the Carnegie Council on Teaching's Arizona Professor of the Year.

Jonathan Lunine is the David C. Duncan Professor in the Physical Sciences in the Department of Astronomy at Cornell University. His research interests center broadly on planetary origin and evolution, in our solar system and around other stars. He is an interdisciplinary scientist on the Cassini mission to Saturn and on the James Webb Telescope, as well as on the Juno mission to Jupiter. He is the author of over 250 papers and is a member of the U.S. National Academy of Sciences, as well as a Fellow of the American Association for the Advancement of Science.