Famous inventors and their inventions

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Across
  1. 3. Which typ of a lokomotive was invented in 1930?
  2. 5. It was a better way of ...
  3. 8. What needs to be heated that the light bulb can glow?
  4. 9. What did Carl Benz also invent?
Down
  1. 1. Woho performed the first flight?
  2. 2. What was the first fighter jet called?
  3. 4. Who patended a pump with hand-operated valves?
  4. 6. Where did Richard Trevithick die?
  5. 7. Who invented a more efficent steam engine?