Surveyor and architect. Born John Wornham Penfold in Haslemere, Surrey. He was a founding member of the Royal Institution of Chartered Surveyors and is best known for designing the British hexagonal pillar box.
In the television cartoon series 'Danger Mouse', the main character's sidekick is named Penfold, and their secret hideout is in a Penfold pillar box in Baker Street.
Credit for this entry to: Alan Patient of www.plaquesoflondon.co.uk