1. Who invented Vaccine of Rabies ?

Answer: Louis Pasteur of France in 1885

2. Who invented Bakelite ?

Answer: Leo H. Baekeland of Belgium in 1907.

3. Who invented Dynamo ?

Answer:

Hypolite Pixii of France in 1832

4. Who invented Automatic rifle ?

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

5. Who invented paper ?

Answer:

Cai Lun

6. Who invented Blood Transfusion ?

Answer: Jean-Baptiste Denys of France in 1625.

7. Who invented Atomic Bomb ?

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