1. Who invented Nylon ?

Answer:

Wallace Carothers

2. Who invented Super Computer ?

Answer:

Seymour Cray

3. Who invented Bacteria ?

Answer: Leeuwenhock of Netherlands in 1683

4. Who invented Submarine ?

Answer:

John Philip Holland

5. Who invented Stethoscope ?

Answer: Laennec of French in 1819.

6. Who invented Automatic rifle ?

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

7. Who invented Neon Lamp ?

Answer:

Georges Claude who was a French engineer, chemist and inventor