1. Who invented Vitamin D ?

Answer:

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

2. Who invented Dynamo ?

Answer:

Hypolite Pixii of France in 1832

3. Who invented Morphine ?

Answer: Friderich Sertumer of Germany in 1805

4. Who invented Printing Press ?

Answer:

Johannes Gutenberg

5. Who invented Calculus ?

Answer: Newton of Britain in 1670.

6. Who invented Vitamin K ?

Answer: Doisy Dam of U.S.A. in 1938.

7. Who invented Computer ?

Answer:

Charles Babbage