1. Who invented X-ray ?

Answer: W.K. Roentgen of Germany in 1895.

2. Who invented Microphone ?

Answer:

Emile Berliner invented the first microphone in 1876.

3. Who invented Television ?

Answer:

John Logie Baird

4. Who invented Open Heart Surgery ?

Answer:

Dr. Daniel Hale Williams

5. Who invented Neon Lamp ?

Answer:

Georges Claude who was a French engineer, chemist and inventor

6. Who invented Automatic rifle ?

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

7. Who invented Electron ?

Answer: Thomson. J of Britain in 1897