1. Who invented Hydrogen bomb ?

Answer:

Edward Teller

2. Who invented Bacteria ?

Answer: Leeuwenhock of Netherlands in 1683

3. Who invented Open Heart Surgery ?

Answer:

Dr. Daniel Hale Williams

4. Who invented Stainless Steel ?

Answer: Harry Brearley of Britain in 1913.

5. Who invented Telescope ?

Answer: Hans Lippershey of Netherlands in 1608.

6. Who invented Laptop ?

Answer:

Adam Osborne in 1981.

7. Who invented watch ?

Answer:

Peter Henlein invented the first portable time piece in 1504