The Cryptograph
Cryptograph devised by Charles WheatstoneSir Charles Wheatstone was regarded as an expert on codes.
In the mid 1850s he devised a wheel cryptograph and invented a cipher.
Wheatstone's cipher, later known as the ‘Playfair cipher,’ continued in use into the 20th century.
The Playfair cipher appears in Dorothy L Sayers’ Lord Peter Wimsey adventure, Have His Carcasse and the 2007 film National Treasure 2: Book of Secrets.
In this exhibition
- Wheatstone's life and work
- Biography
- Wheatstone's bequest to King's College
- Wide scientific interests
- The Cryptograph
- Acoustics
- Electricity: the telegraph
- Optics: the stereoscope