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2
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Internationally Acclaimed Neurosurgeon & Best Known For Separating Conjoined Twins
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3
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Patenting A Portable Tobacco Screw Press,Used For Cutting Tobacco
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4
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Invented A System For Railroad Braking, Electric Railroad Systems, And Devices To Improve The Telephone And Telegraph
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5
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Redesigned A Harpoon For Hunting Whales
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7
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Also Known As Madame C. J. Walker
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8
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Refined Process of Evaporating Milk
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9
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Installed Wires On Telegraph,Worked With Samuel Morse
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10
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Invented System Of Hair Straightening
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11
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Invented Carbon Filament To Use In Light Bulbs, Cheaper Than Edison's Earlier Design
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