1. Who invented Vaccine of Rabies ?

Answer: Louis Pasteur of France in 1885

2. Who invented Electron ?

Answer: Thomson. J of Britain in 1897

3. Who invented Relativity Theory ?

Answer: Einstein of Germany in 1905.

4. Who invented Steam Engine (Piston)

Answer: Thomas Newcomen of Britain in 1712

5. Who invented Chloroform as anaesthetic ?

Answer: James Simpson of Britain in 1847.

6. Who invented Transformer ?

Answer:

Ottó Bláthy

7. Who invented Blood Transfusion ?

Answer: Jean-Baptiste Denys of France in 1625.