1. Who invented DNA Structure ?

Answer: Crick(UK), Waston(US), Wilkins(UK) in 1951

2. Who invented colour television ?

Answer:

Peter Carl Goldmark

3. Who invented Vitamin D ?

Answer:

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

4. Who invented Steam Engine ?

Answer: Thomas Savery of Britain in 1698

5. Who invented Blood Transfusion ?

Answer: Jean-Baptiste Denys of France in 1625.

6. Who invented Aspirin ?

Answer:

Felix Hoffmann invented Aspirin

7. Who invented HIV ?

Answer: