‘One person turned up at my house’: Russell T Davies on fierce fandom, finding love after grief - and the fear that drives him to keep a knife by the door

<p>He’s the titan of TV who revived a flatlined Doctor Who and turned British queer life into jaw-dropping drama. But the screenwriter’s groundbreaking writing has sometimes made him a target of hate – from homophobes and Whovians alike</p><p>• ‘Goodbye Whoniverse. God, that was fu