Rewrite the history books! Tradition tells us that kitchen-sink drama began in 1956 with Look Back in Anger. A season of lost classics at the White Bear Theatre has unearthed a gritty below-stairs play that predates John Osborne’s breakthrough by five years. Women of Twilight by Sylvia Rayman (which has transferred to the Pleasance) was a thumping West End hit in the early 1950s.