1. Who invented Neon Lamp ?

Answer:

Georges Claude who was a French engineer, chemist and inventor

2. Who invented Logarithms ?

Answer:

John Napier (Scotland) invented Logarithm

3. Who invented Super Computer ?

Answer:

Seymour Cray

4. Who invented Laptop ?

Answer:

Adam Osborne in 1981.

5. Who invented Submarine ?

Answer:

John Philip Holland

6. Who invented Piano ?

Answer:

Bartolomeo Cristofori

7. Who invented Diesel Engine ?

Answer: Rudoff Diesel of Germany in 1895