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Geoffrey A. Landis is a scientist and a science fiction writer. As a scientist, he is a researcher at the NA SA John Glenn Research Center. He works on projects related to advanced power and propulsion systems for space and planetary exploration and is currently a member of the science team for the Mars Exploration Rover Mission. As a science fiction writer, he has won a Nebula Award, two Hugo Awards, and a Locus Award, as well as two Rhysling Awards for his poetry.