1. Who invented Computer ?

Answer:

Charles Babbage

2. Who invented Steam Engine ?

Answer: Thomas Savery of Britain in 1698

3. Who invented Atomic Bomb ?

Answer: J. Robert Oppenheimer of U.S.A. in 1945

4. Who invented Stainless Steel ?

Answer: Harry Brearley of Britain in 1913.

5. Who invented watch ?

Answer:

Peter Henlein invented the first portable time piece in 1504

6. Who invented Ballistic missile ?

Answer: Wemher von Braun of Germany in 1944.

7. Who invented Vitamin C ?

Answer:

Scottish naval surgeon James Lind in 1747