1. Who invented Aspirin ?

Answer:

Felix Hoffmann invented Aspirin

2. Who invented Bicyle ?

Answer: Kirkpatrick Macmillan of Britain.

3. Who invented c language

Answer:

Dennis Ritchie

4. Who invented Automatic rifle ?

Answer: John Browning of U.S.A. in 1918.

5. Who invented Stethoscope ?

Answer: Laennec of French in 1819.

6. Who invented Submarine ?

Answer:

John Philip Holland

7. Who invented Proton ?

Answer:

Ernest Rutherford