ALASDAIR CROSS is a successful radio and TV producer with the BBC. Brought up in the Orkney Islands, an annual summer treat was Britain's smallest air show, once memorably visited by a powder pink Spitfire. He has worked on BBC's Coast and Countryfile and his radio series include BBC Radio Four's Terror Through Time with Fergal Keane and Neil Oliver's Iron Curtain as well as the BBC World Service podcast Spitfire: The People's Plane.

Historical Advisor: David Key runs the Supermariners website which researches and reconstructs the stories of the men and women who designed and built the Spitfire.