1. Who invented Barometer ?

Answer: Evangelista Torricelli of Italy in 1644

2. Who invented Vitamin K ?

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

3. Who invented Java Language ?

Answer:

James Gosling

4. Who invented Proton ?

Answer:

Ernest Rutherford

5. Who invented Diesel Engine ?

Answer: Rudoff Diesel of Germany in 1895

6. Who invented Electron ?

Answer: Thomson. J of Britain in 1897

7. Who invented watch ?

Answer:

Peter Henlein invented the first portable time piece in 1504