Sir Francis Ronalds FRS was an English scientist and inventor, and arguably the first electrical engineer. He was knighted for creating the first working electric telegraph over a substantial distance. In 1816 he laid an eight-mile length of iron wire between wooden frames in his mother's garden and sent pulses using electrostatic generators.

Canonbury is a residential area in London, forming part of the London Borough of Islington. It is roughly in the area between Essex Road, Upper Street and Cross Street and either side of St Paul's Road in North London.