1. Who invented Neon Lamp ?

Answer:

Georges Claude who was a French engineer, chemist and inventor

2. Who invented Atomic Bomb ?

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

3. Who invented Printing Press ?

Answer:

Johannes Gutenberg

4. Who invented Locomotive ?

Answer:

George Stephenson was first to buit steam locomotives.

5. Who invented Vitamin K ?

Answer: Doisy Dam of U.S.A. in 1938.

6. Who invented Vitamin B1 ?

Answer:

Casimir Funk discovered in 1912

7. Who invented Automatic rifle ?

Answer: John Browning of U.S.A. in 1918.