1. Who invented Aeroplane

Answer: Orville & Wilbur Wright in 1903

2. Who invented Proton ?

Answer:

Ernest Rutherford

3. Who invented Chloroform as anaesthetic ?

Answer: James Simpson of Britain in 1847.

4. Who invented Radar ?

Answer:

Sir Robert Watson-Watt

5. Who invented CT scan ?

Answer: Hounsfield by Britain in 1973.

6. Who invented c language

Answer:

Dennis Ritchie

7. Who invented Stainless Steel ?

Answer: Harry Brearley of Britain in 1913.