Jim Bell is a planetary scientist, educator, author, public speaker, and past President (2008-2020) of The Planetary Society. He works at Arizona State University and is heavily involved in NASA solar system exploration missions like those of the Mars rovers Spirit, Opportunity, and Curiosity. In 2011 he received the Carl Sagan Medal for Excellence in Public Communication from the American Astronomical Society. He is an avid writer for space-related magazines and blogs, and often appears in media interviews on space-related topics (check out Jim Bell's YouTube channel). His popular science and space photography books include Postcards from Mars (2006), Mars 3-D (2008), Moon 3-D (2009), The Space Book (2013), The Interstellar Age (2015), The Earth Book (2019), and most recently Hubble Legacy: 30 Years of Images and Discoveries (2020). Jim is a Professor in the School of Earth and Space Exploration at ASU, an Adjunct Professor in the Department of Astronomy at Cornell University, and a Distinguished Visiting Scientist at NASA's Jet Propulsion Laboratory.