Charles Wheatstone

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Sir Charles Wheatstone
Wheatstone, drawn by Samuel Laurence in 1868
Born	(1802-02-06)6 February 1802 Barnwood, Gloucestershire, England
Died	19 October 1875(1875-10-19) (aged 73) Paris, France
Known for	Wheatstone bridge Wheatstone–Playfair cipher Wheatstone system Wheatstone ABC telegraph Cooke and Wheatstone telegraph Kaleidophone Potentiometer Pseudoscope Stereoscope Early contributions to Spectroscopy
Awards	Royal Medal (1840, 1843) Albert Medal (1867) Copley Medal (1868)
Scientific career
Fields	Physics
Institutions	King's College London

Sir Charles Wheatstone FRS FRSE (/ˈwiːtstən/;^[1] 6 February 1802 – 19 October 1875), was an English scientist and inventor of many scientific breakthroughs of the Victorian era, including the English concertina, the stereoscope (a device for displaying three-dimensional images), and the Playfair cipher (an encryption technique). However, Wheatstone is best known for his contributions in the development of the Wheatstone bridge, originally invented by Samuel Hunter Christie, which is used to measure an unknown electrical resistance, and as a major figure in the development of telegraphy.