1. Who invented Diesel Engine ?

Answer: Rudoff Diesel of Germany in 1895

2. Who invented Safety Pin ?

Answer: Walter Hunt of U.S.A. in 1849

3. Who invented Computer ?

Answer:

Charles Babbage

4. Who invented Neutron ?

Answer:

JAMES CHADWICK in 1932

5. Who invented Ballistic missile ?

Answer: Wemher von Braun of Germany in 1944.

6. Who invented Aspirin ?

Answer:

Felix Hoffmann invented Aspirin

7. Who invented Atomic Bomb ?

Answer: J. Robert Oppenheimer of U.S.A. in 1945