Charles Wheatstone
6 February 1802 — 19 October 1875
Sir Charles Wheatstone was an English physicist and inventor best known for his contributions to 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. His other contributions include the English concertina, the stereoscope and the Playfair cipher.
A memorial on Digital Cemetery, an endless map you can explore. This grave stands at coordinates 76, 79.