Across
- 5. Who invented a punch-card tabulation machine system for statistical computation (6,9)
- 8. Who is famed for inventing the pulley, the lever, the catapult and the cog (10)
- 10. What was the first name of the man who brought the Gatling gun to existence (7)
- 11. Which iconic statesman and a founding father invented the lightning rod (8,8)
- 13. Who is remembered as the inventor of mechanical television (4,5,5)
- 14. Who invented fluorescent lighting (6,5)
- 15. Who formulated the Postal Service (pretty much as we see it Today) between 1835 and 1837 (3,7,4)
- 16. Who invented the cotton gin in 1794 (3,7)
- 18. Who invented the stethoscope which was first developed at the Necker Hospital in Paris in 1816 (4,7)
- 21. Who in 1934 obtained his first patent for a turbo-jet engine and founded Power Jets Ltd two years later (5,7)
- 23. what was the first name of the German goldsmith and inventor best known for the Gutenberg press (8)
- 25. Who is responsible for the groundbreaking iPhone, iPad, and many other innovations (5,4)
- 26. Who came up with the first true battery known as a voltaic pile (10,5)
- 27. Who invented the telephone (9,6,4)
- 28. What sport did James Naismith invent in 1891 (10)
- 29. Who discovered penicillin (9,7)
- 30. Who developed a universal radio amplifier several years before World War II broke out (7,4)
Down
- 1. Which agricultural chemist invented 300 uses for peanuts (6,10,6)
- 2. One of the only four people to receive the Nobel prize twice, who is credited for his work on the structure of the protein (especially that of insulin) (9,6)
- 3. Starnge 'astonish demo' whose first great invention was the tin foil phonograph (6,6)
- 4. Who invented the aeroplane (7,4)
- 6. Who, long before they were technically feasible, he invented the helicopter and the battle tank (8,2,5)
- 7. Which bizarre 'amends joys' whose invention of the Dual Cyclone, the first bagless vacuum cleaner revolutionised vacuum cleaning (5,5)
- 9. Who came up with a written language system for the blind (5,7)
- 12. Who invented the steam locomotion (6,10)
- 17. Which English engineer and computer scientist who is often credited with inventing the World Wide Web (3,7,3)
- 19. Who is known as the father of the H-bomb (6,6)
- 20. Alter 'ace beer cylinders' for the man who developed the method to achieve low-enough temperature to keep many foods fresh over an extended period of time (8,8)
- 22. Which Frenchman invented the principles of vaccination and pasteurisation (5,7)
- 24. Which early Hollywood starlet, during World War II, invented a radio-guidance system for torpedoes (4,6)