Tags: Made America
Tags: African Americans, G. A. Morgan, inventions
Tags: African Americans, inventions
Tags: inventions, Macdonald, women
Tags: Anne Macdonald, women
Tags: Bakelite, Leo Hendrick Baekland, photography, Plastic
Tags: Bill Gates, Microsoft, Windows OS
Tags: Bill Gates, Microsoft, Software
Tags: Amazon.com Inc., Jeff Bezos
Tags: Amazon.com Inc., business, Jeff Bezos
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