Nobel Prize Winners

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Across
  1. 3. The 'King' of the American Civil Rights Movement
  2. 5. Theory of Relativity
  3. 6. Discoverer of Penicillin
  4. 8. Youngest Nobel Prize Winner
  5. 9. Discovery of Noble Gases
  6. 10. Theory of Isotopes
  7. 11. Writer of 'The Jungle Book'
Down
  1. 1. Writer of the play "Liola"
  2. 2. Missionaries of Charity
  3. 4. 44th President of USA
  4. 7. Radioactivity
  5. 12. _____ Dog Experiment