1. Who invented Chloroform as anaesthetic ?

Answer: James Simpson of Britain in 1847.

2. Who invented Java Language ?

Answer:

James Gosling

3. Who invented Vaccine of Rabies ?

Answer: Louis Pasteur of France in 1885

4. Who invented Laser ?

Answer:

Charles H. Townes

5. Who invented Helicopter ?

Answer:

Igor Sikorsky

6. Who invented Neutron ?

Answer:

JAMES CHADWICK in 1932

7. Who invented Stainless Steel ?

Answer: Harry Brearley of Britain in 1913.