Who wrote the book?

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Across
  1. 2. invented hangeul
  2. 5. wrote Romeo and Juliet
  3. 6. No, he ______.
  4. 8. I ______ in the pool.
  5. 10. built the tower
Down
  1. 1. invented the airplane
  2. 3. She was a ______ painter.
  3. 4. made the water clock
  4. 7. Did you _____ Beethoven?
  5. 9. Who ____?