Masters of Enterprise

From the early years of fur trading to today's Silicon Valley empires, America has proved to be an extraordinarily fertile land for the creation of enormous fortunes. Each generation has produced one or two phenomenally successful leaders, often in new industries that caught contemporaries by surprise, and each of these new fortunes reconfirmed the power of fanatically single-minded visionaries. John Jacob Astor and Cornelius Vanderbilt were the first American moguls; John D. Rockefeller, A...