1. Who invented Vaccine of Rabies ?

Answer: Louis Pasteur of France in 1885

2. Who invented Air Conditioning ?

Answer:

Willis Carrier in 1902

3. Who invented paper ?

Answer:

Cai Lun

4. Who invented Circulation of blood ?

Answer: William Harvey of Britain in 1628

5. Who invented Barometer ?

Answer: Evangelista Torricelli of Italy in 1644

6. Who invented Atomic Bomb ?

Answer: J. Robert Oppenheimer of U.S.A. in 1945

7. Who invented Submarine ?

Answer:

John Philip Holland