next , in the 1820s, he designed and built the very successful Stephenson,s Rocket, a steam engine to pull trains, Then he built the first public railway's. Unfortunately, the day Stephenson opened his second public railway in 1830, the Rocket hit and killed a member of the government, However, until then, the fastest transport was a horse so railways quickly became popular. There are now railways everywhere: the invention of a clever, hard-working but poor, uneducated coal miner changed the world