1. Who invented Super Computer ?

Answer:

Seymour Cray

2. Who invented Dynamo ?

Answer:

Hypolite Pixii of France in 1832

3. Who invented Vitamin A ?

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

4. Who invented Nylon ?

Answer:

Wallace Carothers

5. Who invented Circulation of blood ?

Answer: William Harvey of Britain in 1628

6. Who invented paper ?

Answer:

Cai Lun

7. Who invented Automatic rifle ?

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