Challenging puzzle for experienced crossword solvers
Lost Geniuses of Invention History
Moderate difficulty suitable for most players
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Across
- 1. Pioneered the safety elevator mechanism
- 4. Ancient inventor and mathematician known for buoyancy principles
- 5. Invented an early battery known as the voltaic pile
- 6. Creator of the steel-making process that bears his name
- 7. First synthetic plastic invented by a forgotten chemist
- 8. Photographer who invented the chronophotographic gun
- 12. Invented an early hand-cranked motorized vehicle
- 14. Device partly revolutionized by forgotten inventor Cartwright
- 16. Invented logarithms to simplify calculations
Down
- 2. Improved the steam engine, enabling the industrial revolution
- 3. Inventor of the AC electrical system, often overshadowed
- 9. Invented a special type of camera shutter mechanism
- 10. Designed one of the first heavier-than-air aircraft
- 11. Father of the mechanical computer, largely unbuilt in life
- 13. Created early precision instruments for navigation
- 15. Developed theories underpinning modern physics, but also filed patents
- 17. Early machine invented to automate sewing tasks
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