1. Who invented Aeroplane

Answer: Orville & Wilbur Wright in 1903

2. Who invented Dynamo ?

Answer:

Hypolite Pixii of France in 1832

3. Who invented Aspirin ?

Answer:

Felix Hoffmann invented Aspirin

4. Who invented Steam Engine (Piston)

Answer: Thomas Newcomen of Britain in 1712

5. Who invented Transformer ?

Answer:

Ottó Bláthy

6. Who invented Proton ?

Answer:

Ernest Rutherford

7. Who invented Ballistic missile ?

Answer: Wemher von Braun of Germany in 1944.