Woodruff Sullivan is Professor of Astronomy and Adjunct Professor of History at the University of Washington (UW). His interests are in astrobiology, the search for extraterrestrial intelligence (SETI), the history of astronomy, and gnomonics. He is Chair of the Steering Group of the UW's interdisciplinary graduate Astrobiology Program. John Baross is a professor in the School of Oceanography, UW. His research focuses on thermophilic micro-organisms from volcanic environments, the origin and evolution of life, life on other planets and moons, and microbial ecology. He is a founding member of UW's Astrobiology Program.
