1. Who invented Piano ?

Answer:

Bartolomeo Cristofori

2. Who invented paper ?

Answer:

Cai Lun

3. Who invented colour television ?

Answer:

Peter Carl Goldmark

4. Who invented Periodic table ?

Answer:

Dmitri Mendeleev invented Periodic Table

5. Who invented Steam Engine ?

Answer: Thomas Savery of Britain in 1698

6. Who invented Atomic numbers ?

Answer: Moseley of Britain in 1913

7. Who invented Hydrogen bomb ?

Answer:

Edward Teller