1. Who invented paper ?

Answer:

Cai Lun

2. Who invented Locomotive ?

Answer:

George Stephenson was first to buit steam locomotives.

3. Who invented Aeroplane

Answer: Orville & Wilbur Wright in 1903

4. Who invented Vitamin K ?

Answer: Doisy Dam of U.S.A. in 1938.

5. Who invented Nylon ?

Answer:

Wallace Carothers

6. Who invented Air Conditioning ?

Answer:

Willis Carrier in 1902

7. Who invented Television ?

Answer:

John Logie Baird