1. Who invented Aspirin ?

Answer:

Felix Hoffmann invented Aspirin

2. Who invented Helicopter ?

Answer:

Igor Sikorsky

3. Who invented Radar ?

Answer:

Sir Robert Watson-Watt

4. Who invented by Electric Lamp ?

Answer: Thomas Alva Edison of U.S.A. in 1879

5. Who invented Telescope ?

Answer: Hans Lippershey of Netherlands in 1608.

6. Who invented DNA Structure ?

Answer: Crick(UK), Waston(US), Wilkins(UK) in 1951

7. Who invented Locomotive ?

Answer:

George Stephenson was first to buit steam locomotives.