Robert Shearman

Robert Charles Shearman (sometimes credited as Rob Shearman; 10 February 1970, Horsham, Sussex) is an English television, radio, stage play and short story writer. He is known for his World Fantasy Award-winning short stories, as well as his work for Doctor Who, and his association with Jarvis & Ayres Productions (Martin Jarvis and Rosalind Ayres) which has resulted in six plays for BBC Radio 4, broadcast in the station's regular weekday Afternoon Play slot, and one classic serial.

Source: Robert Shearman on Wikipedia