1816-1892

German electrical engineer and inventor. He was a founder and director of Siemens and Halske, a firm that made electrical apparatus. He was co-inventor of an electroplating process, and developed an electric dynamo. He laid the first telegraph line and built the first electric railway in Germany and, with his brother Sir William Siemens, developed a widely used process of steelmaking.

Siemens was known as an industrialist who established telegraph factories in London, St.Petersburg, Vienna, and Paris, and laid cables across the Mediterranean Sea.