Across
- 5. invented by the german Johannes Gutenberg
- 7. invented by Thomas Edison
- 9. the swiss inventor George De Mestral's invention
- 11. one of Bell's invention
- 12. inventor of the potato chips
Down
- 1. he introduced the first macintosh
- 2. the person who made the car popular
- 3. the famous assistant of Alexander Graham Bell
- 4. the invention of Tim Berners-Lee
- 6. inventor of the metal detector
- 8. the Canadian that invented Basketball
- 10. he made the radio popular