1. Who invented Gramophone ?

Answer:

Emile Berliner in 1887.

2. Who invented colour television ?

Answer:

Peter Carl Goldmark

3. Who invented Ballistic missile ?

Answer: Wemher von Braun of Germany in 1944.

4. Who invented Neutron bomb ?

Answer:

Samuel T. Cohen

5. Who invented Microphone ?

Answer:

Emile Berliner invented the first microphone in 1876.

6. Who invented Penicillin ?

Answer: Alexander Fleming of Britain in 1928.

7. Who invented Safety Pin ?

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