Most inventors are self-taught. At school they were interested in Science, or Physics or Engineering and then they started to think of all sorts of possibilities from their understanding of their subjects. Many of them made all sorts of little inventions that failed, or were early versions of something that gradually became better and better.
Alfred Zehden
You don't.
Train and practise hard!
Richard trevithick was the one who invented the first train and it was invented in 1804.
Japan is the original inventor of the high speed bullet train.
None and no collegerequired.
1886
Actually, he was born to be an inventor. As a matter of fact, he is the greatest inventor of all and no one could match his IQ.
He became a inventor because he wanted to see what he can do
Garrett Morgan was not a scientist but an inventor, and is credited for his invention that later would become the Gas Mask.
Sir Isaac Newton was a prolific inventor. His career as an inventor began as a child when he invented a binomial theory and also the form of math that would become calculus.
I would imagine it is a "on the job" training and you would be on probation for a year.