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• n  someone who is the first of two or more people to discover something

News & Articles

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• Shoemaker-Levy 9's Co-Discoverer Still Chasing Comets, 20 Years Later
  OTTAWA, ONTARIO — Two decades after the comet Shoemaker-Levy 9 slammed into Jupiter, co-discoverer David Levy expressed delight that water in the planet's atmosphere was recently traced back to the colossal collision in 1994.
  June 10, 2013 - SPACE.com via Yahoo! News