1. Who invented Machine Gun ?

Answer:

Helge Palmcrantz, Swedish inventor and industrialist

2. Who invented Super Computer ?

Answer:

Seymour Cray

3. Who invented c language

Answer:

Dennis Ritchie

4. Who invented Logarithms ?

Answer:

John Napier (Scotland) invented Logarithm

5. Who invented Penicillin ?

Answer: Alexander Fleming of Britain in 1928.

6. Who invented Dynamo ?

Answer:

Hypolite Pixii of France in 1832

7. Who invented Vitamin A ?

Answer: Mc Collum and M.Davis of U.S.A. in 1913