1. Who invented Machine Gun ?

Answer:

Helge Palmcrantz, Swedish inventor and industrialist

2. Who invented Automatic rifle ?

Answer: John Browning of U.S.A. in 1918.

3. Who invented Super Computer ?

Answer:

Seymour Cray

4. Who invented Morphine ?

Answer: Friderich Sertumer of Germany in 1805

5. Who invented Transformer ?

Answer:

Ottó Bláthy

6. Who invented Circulation of blood ?

Answer: William Harvey of Britain in 1628

7. Who invented Vitamin C ?

Answer:

Scottish naval surgeon James Lind in 1747