1. Who invented Circulation of blood ?

Answer: William Harvey of Britain in 1628

2. Who invented Ballistic missile ?

Answer: Wemher von Braun of Germany in 1944.

3. Who invented Relativity Theory ?

Answer: Einstein of Germany in 1905.

4. Who invented Diesel Engine ?

Answer: Rudoff Diesel of Germany in 1895

5. Who invented Microphone ?

Answer:

Emile Berliner invented the first microphone in 1876.

6. Who invented Blood Transfusion ?

Answer: Jean-Baptiste Denys of France in 1625.

7. Who invented Locomotive ?

Answer:

George Stephenson was first to buit steam locomotives.