David DeGraff has a Ph.D. in physics and astronomy from the University of North Carolina at Chapel Hill. He currently teaches at Alfred University, where in addition to the usual physics and astronomy classes, he teaches seminars on Science in Science Fiction, Living in Space, and Time Travel. His research has ranged from some of the most distant objects in the Universe, radio galaxies and quasars, to the nearest, Earth-crossing asteroids. DeGraff lives in Alfred, NY, with his wife and family.

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