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Madam C.J. Walker |
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Henry Ford |
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George Crum |
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Ruth Wakefield |
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Ruth Wakefield |
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John Logie Baird |
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Sylvester Roper |
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George De Mestral |
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Edwin Perkins |
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Thomas Adams |
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George Washington Carver |
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Alexander Graham Bell |
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Orville Wright |
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Frank Epperson |
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Charles Babbage |
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James Naismith |
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Garrett Morgan |
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Chester Greenwood |



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