Very few of the heroes of the Golden Age of American finance had much interest in the solid realities of what underlay their structure of stocks and bonds and credits. Later on, a Henry Ford might introduce an era of intensely production-minded captains of industry, but the Harrimans, Morgans, Fricks, and Rockefellers were far more interested in the exciting manipulation of huge masses of intangible wealth than in the humdrum business of turning out goods.