Famous scientists

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Across
  1. 6. fist Indian to teach science at presidency college Kolkata
  2. 7. telescope named after him
  3. 8. quantum theory was discovered by
  4. 9. origin of species by means of natural selection was stated by
  5. 10. who discovered electric bulbs
Down
  1. 1. structure of atom was given by
  2. 2. Gem theory was discovered by
  3. 3. Inventor of radio is
  4. 4. who discovered big bang theory
  5. 5. who discovered electromagnetic theory