1. Who invented Dynamo ?

Answer:

Hypolite Pixii of France in 1832

2. Who invented Vitamin C ?

Answer:

Scottish naval surgeon James Lind in 1747

3. Who invented Transistor ?

Answer: Bardeen, Shockley & Britain of U.S.A. in 1948

4. Who invented Neon Lamp ?

Answer:

Georges Claude who was a French engineer, chemist and inventor

5. Who invented Atomic Bomb ?

Answer: J. Robert Oppenheimer of U.S.A. in 1945

6. Who invented Neutron ?

Answer:

JAMES CHADWICK in 1932

7. Who invented Printing Press ?

Answer:

Johannes Gutenberg