The writerhas died at the age of 88.David Fisher wrote four Doctor Who stories, all starring the Fourth Doctor Tom Baker.His first contribution to the series came in 1978 when he wrote two stories in the Key to Time season. The first,, was a Hammeresque story featuring blood eating rocks. It won praise for its depiction of strong female characters including Professor Rumford played by Beatrix Lehmann.He wrote the following story, a story inspired by the Anthony Hope novel The Prisoner of Zenda.In 1979 he returned to the series with the story. He was also working on a story for this series called, but for personal reasons had to relinquish the story and hand it on to Script editor Douglas Adams to finish what became the widely acclaimed story City of Death.His final contribution was for the season eighteen openerDavid Fisher's other work for television has included writing forandDavid Fisher was born 13th April 1929. He died on the 10th January 2018.