Jim Bell
http://jimbell.sese.asu.edu/
http://jimbell.sese.asu.edu/about
Jim Bell is a professor in the School of Earth and Space Exploration at Arizona State University. An astronomer and planetary scientist, he uses remote sensing, field studies, and laboratory studies to explore the geology, mineralogy, origin, and evolution of planetary surfaces. His current research focuses mostly on the geology and mineralogy of Mars, but his interests also include studying the surfaces of the Moon, planetary satellites like Jupiter's Europa, outer solar system asteroids, and comets.
As a member of the Mars Exploration Rover science team, Jim has served as the lead scientist in charge of the Panoramic camera
(Pancam) on the Spirit and Opportunity rovers.
Jim is also president of The Planetary Society and writes photography-oriented books on astronomy and space sciences. These include "Postcards from Mars" (2006), "Mars 3-D" (2008), "Moon 3-D" (2009), and "The Space Book: 250 Milestones in the History of Astronomy and Space Exploration" (due out in 2012). He is the recipient of the 2011 Carl Sagan Medal from the American Astronomical Society, for excellence in public communication in planetary sciences.