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J.P. Morgan
He was a great banker and financier who dominated the corporate finances of Wall Street -
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John D. Rockefeller
He was the first millionaire thanks to his company "Standard Oil Company" with which he managed to be on the competition, this became a monopoly since it was the largest industry of that time -
Samuel Gompers
Gompers was a president of the American labor federation and a leader of the labor movement to achieve fair earnings for workers -
Andrew Carnegie
He was the person who proclaimed his article "the gospel of wealth" in which the rich were told to use their fortune to improve society and stimulated a great wave of philanthropy
