1. Who invented Super Computer ?

Answer:

Seymour Cray

2. Who invented Chloroform as anaesthetic ?

Answer: James Simpson of Britain in 1847.

3. Who invented Neutron bomb ?

Answer:

Samuel T. Cohen

4. Who invented Vitamin D ?

Answer:

Edward Mellanby discovered Vitamin D while researching a disease called rickets in 1922

5. Who invented Stainless Steel ?

Answer: Harry Brearley of Britain in 1913.

6. Who invented Safety razor ?

Answer: King Camp Gillette of U.S.A. in 1903

7. Who invented watch ?

Answer:

Peter Henlein invented the first portable time piece in 1504