Father's Day Cryptic Crossword

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Across
  1. 1. Beget, sire
  2. 5. Gentleman’s title for the odd skier
  3. 6. Bishop's seating spot
  4. 7. Philosopher climbing old mountain outside Turkish capital
  5. 9. Manage to give a speech about gym session
  6. 11. Art set in amalgam, a rectangular arrangement
  7. 13. Mastermind gestures farewell to inspired thoughts
  8. 16. City boy's spoken
  9. 17. Vision of greek leader central to turning this around
Down
  1. 2. Notice covered in mud but showed respect
  2. 3. It's about that woman the ophthalmologist has his eye on perhaps
  3. 4. After torrential sleet cloak glass
  4. 7. Astronomer has front of telescope crushed by rod gosh!
  5. 8. Physician you might need to see
  6. 10. Saw spin deliveries bowled
  7. 12. Start to levitate Spielberg backwards
  8. 14. King Charles not to be taken outside? Preposterous!
  9. 15. Belief Area 51's infiltrated