Persistence Puzzle

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Across
  1. 2. -- --- .-. ... .
  2. 5. German name meaning "oat man"
  3. 8. Name meaning "the ruler's counsel"
  4. 9. German origins: "turnip seed"
  5. 12. Meaning "noble strength" but known for having breakfast in robin egg blue environment
  6. 13. Roman goddess of love and beauty
  7. 16. Burr, sir!
  8. 17. To pursue or run after
  9. 18. Name that sounds like a Scandinavian dormitory
  10. 21. Meaning "defender of manking" a name shared by many French nobles
  11. 25. Name meaning "rich" or "wealthy" in Arabic
  12. 26. Family name meaning "little king"
  13. 27. First name of the first man on the moon
  14. 29. "Goosebumps" author
  15. 30. Mmmbop
  16. 34. Captain Marvel surname
  17. 36. One half of Olsen TwinsThe Dy
  18. 37. Mona with mysterious smile
  19. 38. Latin origins: "worthy of love"
Down
  1. 1. Comparative of door
  2. 3. To prove more powerful than opposing forces
  3. 4. Finnish name meaning "point" or "tip"
  4. 6. Eeny, Meeny, Miny, ...
  5. 7. Name derived from a fragrant flower
  6. 9. Italian name meaning "counselor"
  7. 10. One of three (!) Italian surnames at Singularity
  8. 11. ...from the block
  9. 14. Greek for "crown"
  10. 15. Polish surname meaning "blacksmith"
  11. 17. Name meaning "helpful person" in Gaelic
  12. 19. Heavenly food from the biblical book of Exodus
  13. 20. Superman Surname
  14. 22. Italian name meaning "cowherd"
  15. 23. Surname of aviation pioneers Orville and Wilbur
  16. 24. Leader of the Argonauts in Greek mythology
  17. 28. Not higher
  18. 31. Large grassy plain in tropical or subtropical regions
  19. 32. Italian for "frost"
  20. 33. Like the letter before L
  21. 35. Surname that sounds like it could belong to a Viking explorer