Carl Wilhelm Siemens

Sir Charles William Siemens
Carl Wilhelm Siemens
Born	(1823-04-04)4 April 1823 Lenthe, Kingdom of Hanover (now Gehrden, Lower Saxony)
Died	19 November 1883(1883-11-19) (aged 60)
Nationality	German/British
Occupation(s)	Electrical engineer, businessman
Known for	Siemens cycle Siemens-Martin process Regenerative cooling Resistance thermometer Underground coal gasification
Spouse	Anne Gordon
Relatives	Ernst Werner von Siemens Carl Heinrich von Siemens Alexander Siemens
Awards	Bessemer Gold Medal (1875) Albert Medal (1874) Bakerian Medal (1871) FRS (1862)

Sir Carl Wilhelm Siemens FRS FRSA (4 April 1823 – 19 November 1883), anglicised to Charles William Siemens, was a German-British electrical engineer and businessman.