1. Who invented Atomic theory ?

Answer: Dalton of Britain in 1803.

2. Who invented Locomotive ?

Answer:

George Stephenson was first to buit steam locomotives.

3. Who invented Proton ?

Answer:

Ernest Rutherford

4. Who invented Transformer ?

Answer:

Ottó Bláthy

5. Who invented paper ?

Answer:

Cai Lun

6. Who invented Safety razor ?

Answer: King Camp Gillette of U.S.A. in 1903

7. Who invented Refrigerator ?

Answer:

Oliver Evans in 1805