1. Who invented Hydrogen bomb ?

Answer:

Edward Teller

2. Who invented Logarithms ?

Answer:

John Napier (Scotland) invented Logarithm

3. Who invented Neon Lamp ?

Answer:

Georges Claude who was a French engineer, chemist and inventor

4. Who invented Piano ?

Answer:

Bartolomeo Cristofori

5. Who invented Neutron bomb ?

Answer:

Samuel T. Cohen

6. Who invented c language

Answer:

Dennis Ritchie

7. Who invented X-ray ?

Answer: W.K. Roentgen of Germany in 1895.