1. Who invented Electron ?

Answer: Thomson. J of Britain in 1897

2. Who invented DNA Structure ?

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

3. Who invented CT scan ?

Answer: Hounsfield by Britain in 1973.

4. Who invented Ballistic missile ?

Answer: Wemher von Braun of Germany in 1944.

5. Who invented c language

Answer:

Dennis Ritchie

6. Who invented Super Computer ?

Answer:

Seymour Cray

7. Who invented Refrigerator ?

Answer:

Oliver Evans in 1805