London has so much history, that there are many buildings, or sites of former buildings, which have strong historical connections with famous artists, architects, politicians and scientists and inventors.
There are several scheme involving the placing of round ceramic Blue Plaques (and some other colours) to honour these famous people, and to provide a photo opportunity and a bit of interest to tourists and historians.
Some of the Blue Plaques in central London, which honour telecommunications scientists, inventors, mathematicians and cryptographers are noted in this Blue Plaques category archive.
