This engrossing history of an extraordinary company, Corning Incorporated, chronicles how one of the oldest business enterprises in the world maintained its place as a global leader in technology for over 150 years. In the nineteenth century, Corning developed colored signal lights for railroads. In the twentieth century, it created Pyrex and color television tubes; today, it is a Fortune 500 company leading the international marketplace in areas such as fiber optics and photonics. If you use the Internet, drive a car, or simply turn on a light, then Corning is a part of your life.