Across
- 1. - American engineer and inventor who developed the first commercially successful steamboat
- 4. - English inventor who developed the Bessemer process for mass-producing steel
- 6. - American inventor who developed the Morse code and co-invented the telegraph
- 7. - Scottish engineer and inventor who developed the first working television system
- 8. - American brothers who invented and built the world's first successful airplane
- 9. - Serbian-American inventor and electrical engineer known for his contributions to alternating current (AC) power systems
- 11. - American inventor known for the phonograph and the electric light bulb
- 12. - Scottish-born inventor who is credited with inventing the telephone
Down
- 2. - American inventor who invented the safety elevator
- 3. - American agricultural scientist and inventor who developed various uses for peanuts, sweet potatoes, and other crops
- 4. - Scottish-born inventor of the telephone
- 5. - Italian inventor and electrical engineer known for his work on long-distance radio transmission
- 8. - American inventor known for developing the cotton gin, which revolutionized the cotton industry
- 10. - Scottish biologist and pharmacologist who discovered the antibiotic substance penicillin