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the theory that individuals, groups, and peoples are subject to the same Darwinian laws of natural selection as plants and animals.
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Invented first elevator safety brake
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founder of a meat packaging company.
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Invented the typewriter.
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Invented the first telephone.
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Invented the dish washer and the refrigerated railcar company.
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Invented the turbojet engine.
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Succesfully tested and patented the first practical electric light bulb. Humphrey Davy invented the first light bulb but it was not practical.
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Founder of Standard oil company
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Invented the roll film and the camera.
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was a major investor in the steel industry
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Isidor Straus and Rowland Hussey Macy founded the store Macy's
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Invented the Linotype for printing newspapers.
