Rory Cellan-Jones came across the story while cleaning his mother's London flatREAD MORE: RORY CELLAN-JONES on why keeping your sense of humour is vital when you have Parkinson's
See Details: Scandalous love affair at the BBC: She was a 42-year-old floor manager. He was 25 and her assistant. After finding his mother's love letters, their son Rory Cellan-Jones charts their illicit romance