1. Who invented Vitamin A ?

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

2. Who invented colour television ?

Answer:

Peter Carl Goldmark

3. Who invented watch ?

Answer:

Peter Henlein invented the first portable time piece in 1504

4. Who invented Dynamo ?

Answer:

Hypolite Pixii of France in 1832

5. Who invented Vitamin D ?

Answer:

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

6. Who invented Computer ?

Answer:

Charles Babbage

7. Who invented Super Computer ?

Answer:

Seymour Cray