Warren Buffett developed an interest in investing.
Warren Buffett . Born in Omaha , Buffett developed an interest in business and investing in his youth , eventually entering the Wharton School of the University of Pennsylvania in 1947 before transferring and graduating from University of Nebraska -- Lincoln . After graduating at 19 , Buffett enrolled at Columbia Business School of Columbia University , learning and eventually creating his investment philosophy around a concept pioneered by Benjamin Graham -- value investing . He is noted for his adherence to value investing and for his personal frugality despite his immense wealth .