1. Who invented Aeroplane

Answer: Orville & Wilbur Wright in 1903

2. Who invented Super Computer ?

Answer:

Seymour Cray

3. Who invented Vitamin B1 ?

Answer:

Casimir Funk discovered in 1912

4. Who invented Telescope ?

Answer: Hans Lippershey of Netherlands in 1608.

5. Who invented Diesel Engine ?

Answer: Rudoff Diesel of Germany in 1895

6. Who invented Safety Pin ?

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

7. Who invented paper ?

Answer:

Cai Lun