1. Who invented CT scan ?

Answer: Hounsfield by Britain in 1973.

2. Who invented Neon Lamp ?

Answer:

Georges Claude who was a French engineer, chemist and inventor

3. Who invented Circulation of blood ?

Answer: William Harvey of Britain in 1628

4. Who invented Open Heart Surgery ?

Answer:

Dr. Daniel Hale Williams

5. Who invented colour television ?

Answer:

Peter Carl Goldmark

6. Who invented Chemotherapy ?

Answer: Paracelsus of Switzerland

7. Who invented Gramophone ?

Answer:

Emile Berliner in 1887.