Rory Cellan-Jones knew he was the child of a brief love affair between two unmarried BBC employees. But until his mother died and he found a previously unknown file labelled ‘For Rory’ he had no idea of their beginnings or ending, and why his peculiarly isolated childhood had so tested the bond between him and his mother. ‘For Rory,’ his mother had written on the file ‘in the hope that it will help him understand how it really was’. This is a tender account of what Rory uncovered in the papers, letters and diaries; a relationship between two colleagues (two romantics) and the restrictive forces of post-war respectability and prejudice that ended it. It is also an evocation of the progressive, centrifugal force at the centre of all their lives – the BBC itself.