SCIENCE MY FICTION AND MAKE IT POPPY, PLEASE PART 1

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Across
  1. 5. Brilliant but whiny astrophysicist who manages to save the lost city of Atlantis on a regular basis (and never lets anyone forget it)
  2. 7. Ghostbuster Spengler
  3. 11. This mathematician and chaotician survived numerous encounters with dinosaurs
  4. 13. Arthur Dent’s friend
  5. 14. Professor Wayne Szalinski accidently shrunk his…
  6. 16. The original home of the Time Lords
  7. 17. This Guide to the Galaxy should be mandatory reading
  8. 18. Chris Knight is a Real
  9. 19. DR. Horrible’s love interest
Down
  1. 1. This kind of Leap is Sam and Al’s favorite
  2. 2. This secret agent fights the forces of evil using his scientific and engineering knowledge to his advantage.
  3. 3. 1983 American Cold War science fiction film following the antics of a hacker named David.
  4. 4. Robocop’s crime-ridden city
  5. 6. This poor guy is captured by an alien spaceship and taken to a planet called Tralfamadore, more than once.
  6. 8. Jack Skellington’s honorary title
  7. 9. Walter Bishop’s alternate universe name
  8. 10. The most popular Klingon in the universe
  9. 12. The man behind these words:“Roads?!? Where we're going, we don't need roads.”
  10. 15. eccentric oceanographer who sets out to exact revenge on the "jaguar shark"
  11. 20. He just wanted to phone home.