1. Who invented Penicillin ?

Answer: Alexander Fleming of Britain in 1928.

2. Who invented colour television ?

Answer:

Peter Carl Goldmark

3. Who invented Microphone ?

Answer:

Emile Berliner invented the first microphone in 1876.

4. Who invented Safety Pin ?

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

5. Who invented Neutron ?

Answer:

JAMES CHADWICK in 1932

6. Who invented Dynamo ?

Answer:

Hypolite Pixii of France in 1832

7. Who invented Diesel Engine ?

Answer: Rudoff Diesel of Germany in 1895