J.M. Hall is an author, playwright and deputy head of a primary school. His plays have been produced in theatres across the UK as well as for radio, the most recent being Trust, st...ver maisJ.M. Hall is an author, playwright and deputy head of a primary school. His plays have been produced in theatres across the UK as well as for radio, the most recent being Trust, starring Julie Hesmondhalgh on BBC Radio 4.ver menos