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The Siemens & Halske T52, also known as the Geheimschreiber [1] ("secret teleprinter"), or Schlüsselfernschreibmaschine (SFM), was a World War II German cipher machine and teleprinter produced by the electrical engineering firm Siemens & Halske. The instrument and its traffic were codenamed Sturgeon by British cryptanalysts.
He was born in Menzendorf, Mecklenburg, one of the fourteen children of a tenant farmer of the Siemens family, an old family of Goslar, documented since 1384. He was a brother of Ernst Werner von Siemens and William Siemens, sons of Christian Ferdinand Siemens (31 July 1787 – 16 January 1840) and wife Eleonore Deichmann (1792
Siemens & Halske AG (or Siemens-Halske) was a German electrical engineering company that later became part of Siemens. It was founded on 12 October 1847 as Telegraphen-Bauanstalt von Siemens & Halske by Werner von Siemens and Johann Georg Halske .
He was the eldest son of Arnold von Siemens who himself was the eldest son of Werner von Siemens, the famous inventor and founder of Siemens & Halske, later to become the present-day Siemens AG. Hermann's mother Ellen, née von Helmholtz, was a daughter of Werner's close friend Hermann von Helmholtz, after whom his grandson was named. He was ...
In 1847 Halske founded the Siemens & Halske Telegraph Construction Company together with Werner von Siemens. [1] Halske was particularly involved in the construction and design of electrical equipment such as the press which enabled wires to be insulated with a seamless coat of gutta-percha , the pointer telegraph and the morse telegraph and ...
Carl Friedrich von Siemens (5 September 1872, in Berlin – 9 September 1941, in Heinendorf, near Potsdam) was a German Entrepreneur and politician. A member of the Siemens family, he became associated with Siemens & Halske AG in 1899, his family company. He was responsible for the resurrection of the Siemens Group after the First World War.
Von Siemens successfully faced the task of rebuilding the company after World War II. It was under his leadership that Siemens & Halske AG, Siemens-Schuckertwerke AG and Siemens-Reiniger-Werke AG were merged in 1966, forming the company we know today as Siemens AG. [1] Von Siemens was unmarried and had no children.
The Siemens family was first documented in 1384 with Henning Symons, a farmer of the Free imperial city of Goslar in Lower Saxony, Germany.The family tree begins with Ananias Siemens (c. 1538 – 1591), a citizen, brewer and owner of an oil mill in Goslar, belonging to the Shoemaker's Guild, as his ancestors were shoemakers.