1. Who invented Radar ?

Answer:

Sir Robert Watson-Watt

2. Who invented Bleaching Powder ?

Answer: Tennant of Britain in 1798

3. Who invented colour television ?

Answer:

Peter Carl Goldmark

4. Who invented CT scan ?

Answer: Hounsfield by Britain in 1973.

5. Who invented HIV ?

Answer:

6. Who invented Open Heart Surgery ?

Answer:

Dr. Daniel Hale Williams

7. Who invented Chemotherapy ?

Answer: Paracelsus of Switzerland