written & adapted by David Thomas, Gillian Greenwood ; produced & directed by David Thomas ; series editor, Melvyn Bragg ; a LWT production for Channel 4 in association with RM Arts and Radio Telefis Eireann
a presentation of Films for the Humanities & Sciences ; a Lion Television production for Discovery Health Channel, L.L.C., in association with Channel 4 Television and Carlton International ; produced & directed by Michael Samuels