To walk invisible

Doing an unscientific straw poll with a few people I hoped knew some well known current TV writers, I ascertained that the names Paul Abbot (Cracker, Shameless, Clocking off, State of play, No Offense) and Jimmy McGovern (Brookside, Cracker, The Street, Hillsborough) were, unsurprisingly, recognized. However the name Sally Wainwright was not. Interesting. Sally is …