1. Who invented DNA Structure ?

Answer: Crick(UK), Waston(US), Wilkins(UK) in 1951

2. Who invented CT scan ?

Answer: Hounsfield by Britain in 1973.

3. Who invented Refrigerator ?

Answer:

Oliver Evans in 1805

4. Who invented Neon Lamp ?

Answer:

Georges Claude who was a French engineer, chemist and inventor

5. Who invented Chemotherapy ?

Answer: Paracelsus of Switzerland

6. Who invented Bakelite ?

Answer: Leo H. Baekeland of Belgium in 1907.

7. Who invented Chloroform as anaesthetic ?

Answer: James Simpson of Britain in 1847.