1. Who invented Atomic numbers ?

Answer: Moseley of Britain in 1913

2. Who invented Vaccine of Rabies ?

Answer: Louis Pasteur of France in 1885

3. Who invented Aeroplane

Answer: Orville & Wilbur Wright in 1903

4. Who invented X-ray ?

Answer: W.K. Roentgen of Germany in 1895.

5. Who invented Hydrogen bomb ?

Answer:

Edward Teller

6. Who invented Electron ?

Answer: Thomson. J of Britain in 1897

7. Who invented Stethoscope ?

Answer: Laennec of French in 1819.