1. Who invented Vaccine of Rabies ?

Answer: Louis Pasteur of France in 1885

2. Who invented X-ray ?

Answer: W.K. Roentgen of Germany in 1895.

3. Who invented c language

Answer:

Dennis Ritchie

4. Who invented Relativity Theory ?

Answer: Einstein of Germany in 1905.

5. Who invented Machine Gun ?

Answer:

Helge Palmcrantz, Swedish inventor and industrialist

6. Who invented Atomic Bomb ?

Answer: J. Robert Oppenheimer of U.S.A. in 1945

7. Who invented Vitamin A ?

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