It began in the Age of Steam—a 19th century success story that resonates in the 21st century. George Westinghouse, a spunky teenager with a head full of ideas, seizes opportunity after opportunity to make technology better, faster, more efficient. In the process, he helps improve the way people live. He starts a company, then another, then dozens of them. His ventures survive him and evolve through decade after turbulent decade into forms he couldn't have predicted, but would no doubt have understood.