Across
- 3. Ancient Greek mathematician and inventor of the screw pump
- 6. Orville and Wilbur who are credited with inventing and flying the first airplane
- 7. The scientist and inventor credited with patenting the first practical telephone
Down
- 1. The inventor of the movable type printing press in Europe
- 2. An electrical resonant transformer circuit invented by Nikola Tesla
- 4. The Renaissance polymath who conceptualized flying machines and tanks
- 5. The first commercially practical incandescent light invented by Thomas Edison
