1. Who invented Transformer ?

Answer:

Ottó Bláthy

2. Who invented Piano ?

Answer:

Bartolomeo Cristofori

3. Who invented Neutron ?

Answer:

JAMES CHADWICK in 1932

4. Who invented Atomic theory ?

Answer: Dalton of Britain in 1803.

5. Who invented Ballistic missile ?

Answer: Wemher von Braun of Germany in 1944.

6. Who invented Printing Press ?

Answer:

Johannes Gutenberg

7. Who invented watch ?

Answer:

Peter Henlein invented the first portable time piece in 1504