1. Who invented by Electric Lamp ?

Answer: Thomas Alva Edison of U.S.A. in 1879

2. Who invented paper ?

Answer:

Cai Lun

3. Who invented Printing Press ?

Answer:

Johannes Gutenberg

4. Who invented Blood Transfusion ?

Answer: Jean-Baptiste Denys of France in 1625.

5. Who invented Neon Lamp ?

Answer:

Georges Claude who was a French engineer, chemist and inventor

6. Who invented Chloroform as anaesthetic ?

Answer: James Simpson of Britain in 1847.

7. Who invented Proton ?

Answer:

Ernest Rutherford