1. Who invented Atomic numbers ?

Answer: Moseley of Britain in 1913

2. Who invented Proton ?

Answer:

Ernest Rutherford

3. Who invented Dynamo ?

Answer:

Hypolite Pixii of France in 1832

4. Who invented Stethoscope ?

Answer: Laennec of French in 1819.

5. Who invented Ballistic missile ?

Answer: Wemher von Braun of Germany in 1944.

6. Who invented Steam Engine ?

Answer: Thomas Savery of Britain in 1698

7. Who invented Aspirin ?

Answer:

Felix Hoffmann invented Aspirin