Famous People (no caps)

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Across
  1. 2. made the lightbulb
  2. 3. first black president of USA
  3. 5. made the telephone
  4. 7. one of the best soccer players
  5. 8. One of the most famous presidents of USA
Down
  1. 1. Fastest man on earth
  2. 4. Discovered radium effects
  3. 5. most famous mathematician
  4. 6. Flew solo from Australia to England