Greatest discoveries and inventions

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Across
  1. 2. He spends all day playing on his...
  2. 6. The first antibiotic
  3. 8. Tim Berners-Lee is credited with this invention. It's also called the World Wide Web
  4. 9. The thin material that you write and draw on
  5. 11. An English scientist, inventor of the world's first electric motor
Down
  1. 1. A German inventor of the printing press
  2. 3. An American inventor of the light bulb
  3. 4. The surname of an American inventor of the telephone
  4. 5. Someone who has invented something, or whose job is to invent things
  5. 7. The Roman ... begins with "A" and ends with "Z."
  6. 10. You wash your hands and body with it