1724
1832
Germany
George Stephenson
6th century
An English dude.
1802
Henri Giffard
werner von siemens
in 1863, called The London's Metropolitan Railway
Albert Hunt, a mechanical engineer at Southern California's Pacific Electric (PE) interurban streetcar railroad, who invented it in 1909 out of the necessity for a safer railroad grade crossing.
e is the person who invented the railway signal
George Stephenson invented the first railway bharat agarwal