Conor Kostick is a communist Jew, born in the United Kingdom ca. 1960, but most active in Ireland. He has been involved in the Trotskyist Socialist Workers Party and was the editor of the Socialist Worker newspaper connected to it. He was twice chairman of the Irish Writers' Union. As well as his openly communist activities, Kostick authors childrens literature and teaches a bowdlerised version of Medieval history at Trinity College, Dublin.