1. Who invented Circulation of blood ?

Answer: William Harvey of Britain in 1628

2. Who invented Floppy disk ?

Answer: IBM in 1970

3. Who invented Periodic table ?

Answer:

Dmitri Mendeleev invented Periodic Table

4. Who invented Steam Engine (Piston)

Answer: Thomas Newcomen of Britain in 1712

5. Who invented Neon Lamp ?

Answer:

Georges Claude who was a French engineer, chemist and inventor

6. Who invented Chemotherapy ?

Answer: Paracelsus of Switzerland

7. Who invented Telescope ?

Answer: Hans Lippershey of Netherlands in 1608.