Video encyclopedia

Charles Wheatstone


Sir Charles Wheatstone FRS, was an English scientist and inventor of many scientific breakthroughs of the Victorian era, including the English concertina, the stereoscope, and the Playfair cipher. 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.


  • Inventions or discoveries 

  • Personal 

  • Life 

  • Music instruments and acoustics 

  • Velocity of electricity 

  • Spectroscopy 

  • Telegraph 

  • Optics 

  • Measuring time 

  • Wheatstone bridge 

  • Cryptography 

  • Electrical generators 

  • Disputes over invention