1. Who invented Nylon ?

Answer:

Wallace Carothers

2. Who invented Proton ?

Answer:

Ernest Rutherford

3. Who invented Vaccine of Rabies ?

Answer: Louis Pasteur of France in 1885

4. Who invented Bacteria ?

Answer: Leeuwenhock of Netherlands in 1683

5. Who invented DNA Structure ?

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

6. Who invented Steam Engine (Condenser)

Answer: James Watt of Britain in 1765

7. Who invented Vitamin K ?

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