1. Who invented Vitamin D ?

Answer:

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

2. Who invented Circulation of blood ?

Answer: William Harvey of Britain in 1628

3. Who invented Morphine ?

Answer: Friderich Sertumer of Germany in 1805

4. Who invented CT scan ?

Answer: Hounsfield by Britain in 1973.

5. Who invented Laser ?

Answer:

Charles H. Townes

6. Who invented Diesel Engine ?

Answer: Rudoff Diesel of Germany in 1895

7. Who invented Computer ?

Answer:

Charles Babbage