1. Who invented Vitamin K ?

Answer: Doisy Dam of U.S.A. in 1938.

2. Who invented Super Computer ?

Answer:

Seymour Cray

3. Who invented Air Conditioning ?

Answer:

Willis Carrier in 1902

4. Who invented Chemotherapy ?

Answer: Paracelsus of Switzerland

5. Who invented Ball-Point Pen ?

Answer: John J. Loud of U.S.A. in 1888

6. Who invented Vitamin A ?

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

7. Who invented c language

Answer:

Dennis Ritchie