1. Who invented Chloroform as anaesthetic ?

Answer: James Simpson of Britain in 1847.

2. Who invented Laptop ?

Answer:

Adam Osborne in 1981.

3. Who invented Diesel Engine ?

Answer: Rudoff Diesel of Germany in 1895

4. Who invented Electron ?

Answer: Thomson. J of Britain in 1897

5. Who invented Circulation of blood ?

Answer: William Harvey of Britain in 1628

6. Who invented Super Computer ?

Answer:

Seymour Cray

7. Who invented Safety Pin ?

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