Kindness Calendar: Day 19

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Across
  1. 2. E=MC2
  2. 4. Father of India
  3. 6. Hamlet
  4. 11. Sistine chapel
  5. 12. Evolution
  6. 13. Aviation industry
Down
  1. 1. Astronomy
  2. 3. Apples & gravity
  3. 5. Medicine & ethics
  4. 7. International text for the blind
  5. 8. Psychoanalysis
  6. 9. Polymath, inventor, artist, you name it
  7. 10. Philosophy and intelligence
  8. 12. A Christmas carol