George Stephenson started life in extremely humble circumstances, but his ingenuity and pursuit of education led him to an impressive legacy. He invented a miner’s lamp, but is most well known for his work on locomotives and railways.
Research:

Behind the Scenes Minis: Piece of Work
17:48

E. Virgil Neal: Hypnotist, Fraudster, Tycoon, Part 2
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E. Virgil Neal: Hypnotist, Fraudster, Tycoon - Part 1
35:28