1. Who invented Diesel Engine ?

Answer: Rudoff Diesel of Germany in 1895

2. Who invented watch ?

Answer:

Peter Henlein invented the first portable time piece in 1504

3. Who invented Computer ?

Answer:

Charles Babbage

4. Who invented Machine Gun ?

Answer:

Helge Palmcrantz, Swedish inventor and industrialist

5. Who invented Morphine ?

Answer: Friderich Sertumer of Germany in 1805

6. Who invented Automatic rifle ?

Answer: John Browning of U.S.A. in 1918.

7. Who invented Neutron ?

Answer:

JAMES CHADWICK in 1932