The Tycoons: How Andrew Carnegie, John D. Rockefeller, Jay Gould, and J. P. Morgan Invented the American Supereconomy by Charles R. Morris $9.00 House of White Birches, 1-Sep-02. 176 pp. shop › The Tycoons: How Andrew Carnegie, John D. Rockefeller, Jay Gould, and J. P. Morgan Invented the American Supereconomy by Charles R. Morris Add To Cart Added! House of White Birches, 1-Sep-02. 176 pp.