1. Who invented Steam Engine (Condenser)

Answer: James Watt of Britain in 1765

2. Who invented Piano ?

Answer:

Bartolomeo Cristofori

3. Who invented Bakelite ?

Answer: Leo H. Baekeland of Belgium in 1907.

4. Who invented Steam Engine ?

Answer: Thomas Savery of Britain in 1698

5. Who invented Diesel Engine ?

Answer: Rudoff Diesel of Germany in 1895

6. Who invented HIV ?

Answer:

7. Who invented google ?

Answer:

Larry Page