C.F. Tietgen and the Great Northern Telegraph Company made history when they set up telegraph cables in China and Japan in 1870-1871 and thus connected the two countries with the rest of the world through the worldwide communication network. Soon transatlantic submarine cables across the Pacific Ocean and North Atlantic Ocean followed. The book unfolds the history of Tietgen's company through the 19th and 20th century with rivals, revolutions, and...