1. Who invented Helicopter ?

Answer:

Igor Sikorsky

2. Who invented colour television ?

Answer:

Peter Carl Goldmark

3. Who invented Proton ?

Answer:

Ernest Rutherford

4. Who invented Printing Press ?

Answer:

Johannes Gutenberg

5. Who invented Telescope ?

Answer: Hans Lippershey of Netherlands in 1608.

6. Who invented Biochemistry ?

Answer: Jan Baptista Van Helmont of Belgium in 1648.

7. Who invented Submarine ?

Answer:

John Philip Holland