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Thomas Alva Edison revolutionized daily life as few people before or after him have done. The light bulb, the phonograph, motion pictures--through these and countless other technological marvels Edison left an indelible mark on the modern world. Although he had…

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Marie Curie discovered radium and went on to lead the scientific community in studying the theory behind and the uses of radioactivity. She left a vast legacy to future scientists through her research, her teaching, and her contributions to the welfare of…