1. Who invented Ballistic missile ?

Answer: Wemher von Braun of Germany in 1944.

2. Who invented Circulation of blood ?

Answer: William Harvey of Britain in 1628

3. Who invented Refrigerator ?

Answer:

Oliver Evans in 1805

4. Who invented Printing Press ?

Answer:

Johannes Gutenberg

5. Who invented colour television ?

Answer:

Peter Carl Goldmark

6. Who invented Barometer ?

Answer: Evangelista Torricelli of Italy in 1644

7. Who invented Relativity Theory ?

Answer: Einstein of Germany in 1905.