1. Who invented Vitamin A ?

Answer: Mc Collum and M.Davis of U.S.A. in 1913

2. Who invented Vitamin C ?

Answer:

Scottish naval surgeon James Lind in 1747

3. Who invented Computer ?

Answer:

Charles Babbage

4. Who invented Atomic theory ?

Answer: Dalton of Britain in 1803.

5. Who invented Aspirin ?

Answer:

Felix Hoffmann invented Aspirin

6. Who invented watch ?

Answer:

Peter Henlein invented the first portable time piece in 1504

7. Who invented Locomotive ?

Answer:

George Stephenson was first to buit steam locomotives.