The "Manchester School" was a number of playwrights from Manchester, England, who were active in the early 20th century.Harding, John, Staging Life: The Story of the Manchester Playwrights (Greenwich Exchange 2018) https://greenex.co.uk/ The leading figures in the group were Harold Brighouse, Stanley Houghton and Allan Monkhouse. They were championed by Annie Horniman, owner of the Gaiety Theatre, Manchester.
References