1. Who invented Chloroform as anaesthetic ?

Answer: James Simpson of Britain in 1847.

2. Who invented Steam Engine (Piston)

Answer: Thomas Newcomen of Britain in 1712

3. Who invented c language

Answer:

Dennis Ritchie

4. Who invented Bakelite ?

Answer: Leo H. Baekeland of Belgium in 1907.

5. Who invented Laptop ?

Answer:

Adam Osborne in 1981.

6. Who invented Logarithms ?

Answer:

John Napier (Scotland) invented Logarithm

7. Who invented watch ?

Answer:

Peter Henlein invented the first portable time piece in 1504