1. Who invented DNA Structure ?

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

2. Who invented watch ?

Answer:

Peter Henlein invented the first portable time piece in 1504

3. Who invented Aspirin ?

Answer:

Felix Hoffmann invented Aspirin

4. Who invented Automatic rifle ?

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

5. Who invented Locomotive ?

Answer:

George Stephenson was first to buit steam locomotives.

6. Who invented Relativity Theory ?

Answer: Einstein of Germany in 1905.

7. Who invented Television ?

Answer:

John Logie Baird