Famous Inventors and Inventions by 7bets4free.com

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