4 At Forty

First broadcast 20070930. First repeated 20071231.

Eddie Mair presents a celebration of 40 years of Radio 4 and its gradual transformation from a rather old-fashioned service to a cornerstone of British radio.

Guests include Liz Forgan, Miranda Sawyer, Sarfraz Manzoor, Jeremy Hardy and Ian Peacock.

Four controllers discuss the pleasures and pains of running one of the world's leading speech radio networks.