1. Who invented Optical Fibre ?

Answer:

Indian-born American physicist Narinder Kapany

2. Who invented Laser ?

Answer:

Charles H. Townes

3. Who invented Computer ?

Answer:

Charles Babbage

4. Who invented Vaccine of Rabies ?

Answer: Louis Pasteur of France in 1885

5. Who invented Diesel Engine ?

Answer: Rudoff Diesel of Germany in 1895

6. Who invented Printing Press ?

Answer:

Johannes Gutenberg

7. Who invented Atomic theory ?

Answer: Dalton of Britain in 1803.