1. Who invented Super Computer ?

Answer:

Seymour Cray

2. Who invented Bakelite ?

Answer: Leo H. Baekeland of Belgium in 1907.

3. Who invented Steam Engine ?

Answer: Thomas Savery of Britain in 1698

4. Who invented Optical Fibre ?

Answer:

Indian-born American physicist Narinder Kapany

5. Who invented Safety Pin ?

Answer: Walter Hunt of U.S.A. in 1849

6. Who invented Locomotive ?

Answer:

George Stephenson was first to buit steam locomotives.

7. Who invented Vitamin K ?

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