1. Who invented paper ?

Answer:

Cai Lun

2. Who invented Atomic Bomb ?

Answer: J. Robert Oppenheimer of U.S.A. in 1945

3. Who invented Proton ?

Answer:

Ernest Rutherford

4. Who invented Air Conditioning ?

Answer:

Willis Carrier in 1902

5. Who invented Calculus ?

Answer: Newton of Britain in 1670.

6. Who invented Morphine ?

Answer: Friderich Sertumer of Germany in 1805

7. Who invented Transformer ?

Answer:

Ottó Bláthy