1. Who invented paper ?

Answer:

Cai Lun

2. Who invented Safety razor ?

Answer: King Camp Gillette of U.S.A. in 1903

3. Who invented Machine Gun ?

Answer:

Helge Palmcrantz, Swedish inventor and industrialist

4. Who invented Stainless Steel ?

Answer: Harry Brearley of Britain in 1913.

5. Who invented Neon Lamp ?

Answer:

Georges Claude who was a French engineer, chemist and inventor

6. Who invented colour television ?

Answer:

Peter Carl Goldmark

7. Who invented Atomic numbers ?

Answer: Moseley of Britain in 1913