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Nikola Tesla was the most popular scientist of the 19th century, more popular than Edison. In fact, Tesla worked with Edison in the 1880s but had a falling out because he believed Edison stole his ideas. Tesla developed AC power used all over the world now and worked with George Westinghouse to promote it. He laid the foundation for radio, TV and many modern inventions. He fell into insanity & became a recluse. He died in poverty in a tiny apt'mnt, by then considered a "mad scientist" in 1943.
Miner Boy: Children were cheap labor in the mines. This boy spent 10 hours a day in that outfit with only the light from that tallow wick lamp. He cleaned & played the part of a "canary" (kids were easier to replace than good miners). He was probably Finnish or Swedish & indentured to the company for the purpose of paying his fathers debts. The unions fought bloody battles to get these children out of the coal mines. This little guy worked (& likely died) in Utah or Colorado mines / Scott Cooper