Biography: Christopher H. Bidmead (born 18 January 1941) is an English screenwriter, script editor and journalist. He wrote three Doctor Who TV serials, all of which he also novelised and was also script editor for season 18. He was contracted to write several serials that were ultimately cancelled. They were In the Hollows of Time, a two-part (forty-five minute) story for the cancelled season 23, and a four-parter, Pinacotheca (a.k.a. The Last Adventure), which would have been the third part of The Trial of a Time Lord.