1. Who invented Bicyle ?

Answer: Kirkpatrick Macmillan of Britain.

2. Who invented Chemotherapy ?

Answer: Paracelsus of Switzerland

3. Who invented paper ?

Answer:

Cai Lun

4. Who invented Transformer ?

Answer:

Ottó Bláthy

5. Who invented Automatic rifle ?

Answer: John Browning of U.S.A. in 1918.

6. Who invented Circulation of blood ?

Answer: William Harvey of Britain in 1628

7. Who invented Piano ?

Answer:

Bartolomeo Cristofori