Dr. Jim Bell is professor at Arizona State University's School of Earth and Space Exploration in Tempe, AZ, and an adjunct professor in the Department of Astronomy at Cornell University in Ithaca, NY. As president of The Planetary Society, which includes such well-known figures as Buzz Aldrin, Bill Nye, Neil DeGrasse Tyson, and Steven Spielberg, Jim is an active and prolific public commentator on science and space exploration, earning the 2011 Carl Sagan Medal from the American Astronomical Society. In addition to being a frequent contributor to such magazines as Sky & Telescope and Scientific American, he has appeared on radio, Internet blogs, television shows including the TODAY show, This American Morning, and the PBS Newshour, as well as programs on the Discovery, National Geographic, and History cable channels. Author of Postcards from Mars (Plume), Mars 3-D (Sterling) and Moon 3-D (Sterling). Jim is an active planetary scientist who has been involved in such NASA robotic exploration missions as Near Earth Asteroid Rendezvous (NEAR), Mars Pathfinder, Mars Exploration Rover, and Lunar Reconnaissance Orbiter, to name a few. The 8146 Jimbell main-belt asteroid is named in his honor.