1. Who invented Locomotive ?

Answer:

George Stephenson was first to buit steam locomotives.

2. Who invented Radar ?

Answer:

Sir Robert Watson-Watt

3. Who invented Relativity Theory ?

Answer: Einstein of Germany in 1905.

4. Who invented Diesel Engine ?

Answer: Rudoff Diesel of Germany in 1895

5. Who invented Circulation of blood ?

Answer: William Harvey of Britain in 1628

6. Who invented Neutron ?

Answer:

JAMES CHADWICK in 1932

7. Who invented Atomic theory ?

Answer: Dalton of Britain in 1803.