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 X-ray ?

Answer: W.K. Roentgen of Germany in 1895.

4. Who invented Bleaching Powder ?

Answer: Tennant of Britain in 1798

5. Who invented Hydrogen bomb ?

Answer:

Edward Teller

6. Who invented Computer ?

Answer:

Charles Babbage

7. Who invented Chemotherapy ?

Answer: Paracelsus of Switzerland