David Harrower is a Scottish playwright, based in Glasgow. His first play, Knives in Hens, was premiered at Edinburgh's Traverse Theatre in 1995. Subsequent plays include Kill the Old Torture Their Young, Presence, Dark Earth, Blackbird, and 365. Harrower has also written adaptations including The Chrysalids, Six Characters in Search of an Author, Ivanov, and Woyzeck. Translations include The Girl on the Sofa, a translation of the Jon Fosse play as well as Schiller's Romantic tragedy Mary Stuart.