1. Who invented Atomic theory ?

Answer: Dalton of Britain in 1803.

2. Who invented Neutron bomb ?

Answer:

Samuel T. Cohen

3. Who invented Chemotherapy ?

Answer: Paracelsus of Switzerland

4. Who invented Microphone ?

Answer:

Emile Berliner invented the first microphone in 1876.

5. Who invented paper ?

Answer:

Cai Lun

6. Who invented Calculus ?

Answer: Newton of Britain in 1670.

7. Who invented Circulation of blood ?

Answer: William Harvey of Britain in 1628