1. Who invented Laser ?

Answer:

Charles H. Townes

2. Who invented Ballistic missile ?

Answer: Wemher von Braun of Germany in 1944.

3. Who invented DNA Structure ?

Answer: Crick(UK), Waston(US), Wilkins(UK) in 1951

4. Who invented X-ray ?

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

5. Who invented Television ?

Answer:

John Logie Baird

6. Who invented Submarine ?

Answer:

John Philip Holland

7. Who invented Printing Press ?

Answer:

Johannes Gutenberg