1. Who invented Steam Engine ?

Answer: Thomas Savery of Britain in 1698

2. Who invented Radiocarbon ?

Answer:

Willard Libby

3. Who invented Gramophone ?

Answer:

Emile Berliner in 1887.

4. Who invented Atomic theory ?

Answer: Dalton of Britain in 1803.

5. Who invented Java Language ?

Answer:

James Gosling

6. Who invented paper ?

Answer:

Cai Lun

7. Who invented Circulation of blood ?

Answer: William Harvey of Britain in 1628