Who story regardless of media in which Letts has been involved – whether as producer, director or writer – involved this version of the character. Later work His other work included producing and co-creating the tv series Moonbase 3 with Terrance Dicks in 1973. After leaving Doctor Who he remained with the BBC, doing a mixture of directing and producing. He directed for numerous series and serials (including on Doctor Who in 1975), before settling into the role of producer of the BBC's Sunday classic serials (where he appointed his friend and former Doctor Who collaborator, Terrance Dicks, as his script editor). He oversaw more than 25 serials in this capacity, over an 8-year period, including Nicholas Nickleby, Great Expectations, A Tale of Two Cities, Dombey and Son, The Hound of the Baskervilles (starring Tom Baker), The Invisible Man, Pinocchio, Gulliver in Lilliput, Alice in Wonderland, Lorna Doone, Little Lord Fauntleroy, The Children of the New Forest, Beau Geste and Sense and Sensibility. Many actors with whom he had worked on Doctor Who were to feature in these classic serials, including Tom Baker, Elisabeth Sladen, Caroline John, and Paul Darrow. His final directing work was on the BBC soap opera EastEnders which he worked on periodically from 1990 to 1992. He also taught directing for the BBC at Elstree Studios. He had a small cameo role in the film Exodus, broadcast on UK Channel 4. His autobiography, Who and Me, was published posthumously in November 2009, then released as a talking book on CD, read by Letts himself, and later broadcast on BBC Radio 7. Death Letts suffered from cancer for many years before his death. His wife, Muriel, had died earlier in the year. Letts was survived by his three children: Dominic, Crispin and Joanna. His sons, Dominic and Crispin, had followed him into the acting profession. Following Letts’ death, Tom Baker was interviewed for BBC Radio 4’s Last Word to pay tribute. He described Letts as "the big link in changing my entire life". Doctor Who executive producer Russell T Davies also wrote a personal tribute to him in issue No.415 of Doctor Who Magazine. The November 2009 Doctor Who episode "The Waters of Mars" was dedicated to his memory. Issue No.417 of Doctor Who Magazine included a 12-page tribute to Letts and featured contributions from former colleagues including Frazer Hines, Mary Peach, Terrance Dicks, Nicholas Courtney, Graeme