1. Who invented Vitamin K ?

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

2. Who invented Computer ?

Answer:

Charles Babbage

3. Who invented Transformer ?

Answer:

Ottó Bláthy

4. Who invented Bacteria ?

Answer: Leeuwenhock of Netherlands in 1683

5. Who invented Diesel Engine ?

Answer: Rudoff Diesel of Germany in 1895

6. Who invented Proton ?

Answer:

Ernest Rutherford

7. Who invented Nylon ?

Answer:

Wallace Carothers