1. Who invented Vitamin K ?

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

2. Who invented Barometer ?

Answer: Evangelista Torricelli of Italy in 1644

3. Who invented Proton ?

Answer:

Ernest Rutherford

4. Who invented Diesel Engine ?

Answer: Rudoff Diesel of Germany in 1895

5. Who invented Atomic theory ?

Answer: Dalton of Britain in 1803.

6. Who invented Transformer ?

Answer:

Ottó Bláthy

7. Who invented Logarithms ?

Answer:

John Napier (Scotland) invented Logarithm