As a young TV producer Prebble scooped the story of how HMS Conqueror came to sink the Belgrano. He has waited thirty years to reveal what else he discovered about the sub’s secret activities.
Huw Bowen, Martin Johnes, Chris Evans, Madeleine Gray, Paul O’Leary, Helen Nicholson, Ceri Gould and Leighton Andrews
Peter Stothard talks to Francine Stock
Joumana Haddad and Shereen El Feki talk to Joan Bakewell
Jerry Brotton and Adam Lowe