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Neil deGrasse Tyson (born October 5, 1958) is an astrophysicist and director of the American Museum of Natural History's Hayden Planetarium. He became a well-known science personality after being among the group of scientists that re-classified Pluto as a dwarf planet. He ended up citing the Disney character, who was created the same year Pluto was discovered, as being a significant contributor to the public attachment to the planet and the backlash that ensued after the reclassification became official.