1. Who invented Atomic numbers ?

Answer: Moseley of Britain in 1913

2. Who invented Bicyle ?

Answer: Kirkpatrick Macmillan of Britain.

3. Who invented Piano ?

Answer:

Bartolomeo Cristofori

4. Who invented Transformer ?

Answer:

Ottó Bláthy

5. Who invented Nylon ?

Answer:

Wallace Carothers

6. Who invented CT scan ?

Answer: Hounsfield by Britain in 1973.

7. Who invented Barometer ?

Answer: Evangelista Torricelli of Italy in 1644