1. Who invented watch ?

Answer:

Peter Henlein invented the first portable time piece in 1504

2. Who invented Penicillin ?

Answer: Alexander Fleming of Britain in 1928.

3. Who invented Safety razor ?

Answer: King Camp Gillette of U.S.A. in 1903

4. Who invented Hydrogen bomb ?

Answer:

Edward Teller

5. Who invented Ball-Point Pen ?

Answer: John J. Loud of U.S.A. in 1888

6. Who invented Diesel Engine ?

Answer: Rudoff Diesel of Germany in 1895

7. Who invented Locomotive ?

Answer:

George Stephenson was first to buit steam locomotives.