Charles Saatchi , Alan Parker and David Puttnam joined forces at forward-thinking advertisers Collett Dickenson Pearce in the mid-1960s. Friends, contemporaries and commentators gauge CDP's indelible influence notjust on commercials, but on the broader spectrum of British cultural life, including business and politics, modern art, cinema and pop music. Director Michael Wadding ; Executive producers David Jeffcock and Paul Sommers www.bbc.co.uk/bbcfour