Sir William Siemens 1823-1888

He headed the English branch of Siemens and also worked as an independent engineer and entrepreneur. His work included the global telegraph system, metallurgical innovations, energy savings and environmental protection. His name is associated with the Siemens Martin process, the most important steelproduction process in the world for a century. In his new biography, Wolfgang König sheds light on the eventful life of an impressive border crosser.