Kevin Clarke
From Tardis Wiki, the free Doctor Who reference
Kevin Clarke wrote the Doctor Who story Silver Nemesis and its novelisation early in his television career.
Clarke's longest association with a programme was with The Bill, which began around the time he wrote for Doctor Who and lasted until 1991. Since then, he has most recently written a 2007 episode of Casualty; a 2005 instalment of Peter Davison's The Last Detective, which featured Steve Pemberton; and a 2004 edition of The Inspector Lynley Mysteries.