14. John Rockefeller

Vision: Revolutionize oil industry

Achievement: Standard Oil

Within 8 years of buying his first oil refinery with a lot of dilemmas and problems, by 1870 John was one of the dominant names in the industry. “By offering discounts to the railroads that carried his oil cross-country, Rockefeller was able to, in turn, sell it to customers for low prices that were previously unheard of,” report Business Pundit.

15. Andrew Carnegie

Vision: To be the King of Steel

Achievement: U.S Steel

His achievements with US steel have earned him the title of the second wealthiest man in the history. In 1850s he was working as a telegraph operator and started his entrepreneurial journey by investing in railroads, bridges, and oil derricks alongside selling bonds as a side business.