1. Who invented Chemotherapy ?

Answer: Paracelsus of Switzerland

2. Who invented Refrigerator ?

Answer:

Oliver Evans in 1805

3. Who invented Steam Engine (Piston)

Answer: Thomas Newcomen of Britain in 1712

4. Who invented Open Heart Surgery ?

Answer:

Dr. Daniel Hale Williams

5. Who invented Radiocarbon ?

Answer:

Willard Libby

6. Who invented Optical Fibre ?

Answer:

Indian-born American physicist Narinder Kapany

7. Who invented Television ?

Answer:

John Logie Baird