1. Who invented google ?

Answer:

Larry Page

2. Who invented Helicopter ?

Answer:

Igor Sikorsky

3. Who invented Stainless Steel ?

Answer: Harry Brearley of Britain in 1913.

4. Who invented Calculus ?

Answer: Newton of Britain in 1670.

5. Who invented Bakelite ?

Answer: Leo H. Baekeland of Belgium in 1907.

6. Who invented Printing Press ?

Answer:

Johannes Gutenberg

7. Who invented DNA Structure ?

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