Inventors That Changed America: On the Go & Medical

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On the Go: British train engineer Richard Trevithick gave the world its first steam railway locomotive in 1804. By 1930, railroad was the most popular form of transportation for both people and goods. Henry Ford was a brilliant mechanic with a vision: He wanted to make cars affordable to all classes of society, not just the wealthy. In 1907, he installed a moving assembly line, which not only made autos affordable for almost everyone, but also reinvented industry.