 That induced Ronald French, then a property manager in Wolverhampton, to come forward to say that in 1944, when he was a 14-year-old at the Strand School, he inserted D-Day codenames into crosswords.He believed that hundreds of children must have known what he knew.A fictionalised version of the story appeared in "The Mountain and the Molehill" in series 1 of the BBC One "Screen One" anthology series, first broadcast on 15 October 1989.