Across
- 3. Leo Baekeland (6)
- 5. Samuel Morse (9)
- 6. Alfred Ely Beach (5)
- 8. László Bíró (3,5)
- 12. Conditioner Willis Carrier (3,9)
- 13. Alexander Graham Bell (9)
- 14. Nicholas-Jacques Conte (6)
Down
- 1. Robert Watson-Watt (5)
- 2. James Watt (5,6)
- 4. Louis Daguerre (6)
- 7. Light Thomas Edison (6,4)
- 8. Alessandro Volta (7)
- 9. Elisha Otis (8)
- 10. Engine Frank Whittle (3,6)
- 11. Charles Fritts (9,4)