1. Who invented Hydrogen bomb ?

Answer:

Edward Teller

2. Who invented Circulation of blood ?

Answer: William Harvey of Britain in 1628

3. Who invented Machine Gun ?

Answer:

Helge Palmcrantz, Swedish inventor and industrialist

4. Who invented colour television ?

Answer:

Peter Carl Goldmark

5. Who invented Atomic theory ?

Answer: Dalton of Britain in 1803.

6. Who invented Ballistic missile ?

Answer: Wemher von Braun of Germany in 1944.

7. Who invented Helicopter ?

Answer:

Igor Sikorsky