Doctor Who (Author) Doctor Who is the longest running sci-fi show in the world, and a flagship BBC property. First appearing on air in 1963, it follows the adventures of the Doctor, a Time Lord who travels through time and space, fighting alien monsters and saving the universe. Dave Rudden (Author) Dave Rudden is a former actor, teacher and time-displaced Viking currently living in Dublin. He is the author of the award-winning Knights of the Borrowed Dark trilogy, and enjoys cats, adventure and being cruel to fictional children.