1. Who invented Hydrogen bomb ?

Answer:

Edward Teller

2. Who invented Bicyle ?

Answer: Kirkpatrick Macmillan of Britain.

3. Who invented Blood Transfusion ?

Answer: Jean-Baptiste Denys of France in 1625.

4. Who invented Calculus ?

Answer: Newton of Britain in 1670.

5. Who invented paper ?

Answer:

Cai Lun

6. Who invented c language

Answer:

Dennis Ritchie

7. Who invented Piano ?

Answer:

Bartolomeo Cristofori