Niels Henrik Abel's life crossword puzzle

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Across
  1. 2. neils fathers job
  2. 3. niels second greatest work
  3. 7. one of niels fields
  4. 9. where niel wanted to go to school
  5. 12. niel wrote a paper that was ignored on this
  6. 14. niels main contribution to mathmatics
  7. 15. abels teacher
  8. 17. the town where niel henrik abel was born
  9. 18. niels father
  10. 19. niels freind and mentor
Down
  1. 1. place niel went to high school
  2. 4. place niel went elementary school
  3. 5. another place niel wanted to study
  4. 6. disease niel had when he returned to norway
  5. 8. where niel was born
  6. 10. niel wrote a groundbreaking paper on it
  7. 11. a book abel wrote
  8. 13. niels greatest work
  9. 16. where niel wanted to study
  10. 20. niels money class