1. Who invented Locomotive ?

Answer:

George Stephenson was first to buit steam locomotives.

2. Who invented Printing Press ?

Answer:

Johannes Gutenberg

3. Who invented Atomic numbers ?

Answer: Moseley of Britain in 1913

4. Who invented watch ?

Answer:

Peter Henlein invented the first portable time piece in 1504

5. Who invented Electron ?

Answer: Thomson. J of Britain in 1897

6. Who invented Steam Engine ?

Answer: Thomas Savery of Britain in 1698

7. Who invented Relativity Theory ?

Answer: Einstein of Germany in 1905.