Brilliant innovators with humble roots, both women were masters of self-invention who sacrificed everything to become the country's first major female entrepreneurs. They were also fierce competitors, whose 50-year tug-of-war would give birth to an industry that would forever change the face of America. From Fifth Avenue society to the halls of Congress, their intense rivalry was ruthless, relentless and legendary- pushing both women to build international empires in a world dominated by men.
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