Pip and Jane Baker

Philip (1928 – 14 April 2020) and Jane Baker (died 8 September 2014), professionally known as Pip and Jane Baker, were an English husband-and-wife team of television writers. They were well known mainly for their works to the BBC science-fiction series "Doctor Who". The Bakers worked on four differerent serials for the programme in the 1980s: "The Mark of the Rani" (1985), "The Trial of a Time Lord" (1986), Parts 9–12 and 14 (also known as "Terror of the Vervoids" and "The Ultimate Foe"); and "Time and the Rani" (1987). 
Jane Baker died on 8 September 2014, while Pip Baker died on 14 April 2020.