1. Who invented Atomic theory ?

Answer: Dalton of Britain in 1803.

2. Who invented Ballistic missile ?

Answer: Wemher von Braun of Germany in 1944.

3. Who invented paper ?

Answer:

Cai Lun

4. Who invented Vitamin B1 ?

Answer:

Casimir Funk discovered in 1912

5. Who invented Laptop ?

Answer:

Adam Osborne in 1981.

6. Who invented Steam Engine (Condenser)

Answer: James Watt of Britain in 1765

7. Who invented Vitamin K ?

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