3/4 The genesis of the machines that allow us to talk to one another across the globe. (R)
BBC Two Wales
14/20 Melvyn Bragg is in Kent to look back at films of rural life from the 1930s. (R)
BBC Two except Wales
Peter Snow presents archive programmes and a discussion on the first TV prime minister.
A whistle-stop tour of the 1970 general election.
Interview with Angela Pope (producer) and David Dimbleby (presenter) of the documentary.
4/4 The story of the inventors who discovered how to reproduce still and moving images.
David Holmes looks back on his time as BBC political editor during the Wilson years.
Peter Snow debates Harold Wilson with Baroness Williams, Lord Donoughue and Lord Hurd.
1/3 Edward III crushes the flower of French knighthood at the Battle of Crecy. (R)
Art historian Dr Nina Ramirez reveals the codes and messages hidden in Anglo-Saxon art. (R)
Friday 15 February 2013