1. Who invented Refrigerator ?

Answer:

Oliver Evans in 1805

2. Who invented Locomotive ?

Answer:

George Stephenson was first to buit steam locomotives.

3. Who invented Steam Engine ?

Answer: Thomas Savery of Britain in 1698

4. Who invented Piano ?

Answer:

Bartolomeo Cristofori

5. Who invented Aspirin ?

Answer:

Felix Hoffmann invented Aspirin

6. Who invented Java Language ?

Answer:

James Gosling

7. Who invented Circulation of blood ?

Answer: William Harvey of Britain in 1628