1. Who invented Computer ?

Answer:

Charles Babbage

2. Who invented Ball-Point Pen ?

Answer: John J. Loud of U.S.A. in 1888

3. Who invented Chloroform as anaesthetic ?

Answer: James Simpson of Britain in 1847.

4. Who invented Neutron bomb ?

Answer:

Samuel T. Cohen

5. Who invented Steam Engine ?

Answer: Thomas Savery of Britain in 1698

6. Who invented Stainless Steel ?

Answer: Harry Brearley of Britain in 1913.

7. Who invented Biochemistry ?

Answer: Jan Baptista Van Helmont of Belgium in 1648.