Michael Atkinson, School of Fine Art, Art History, and Cultural Studies, University of Leeds fh16mda@leeds.ac.uk Avant-Garde The avant-garde itself has been and remains subject to interpretation, criticism, and renewal; the accusation of ‘ageing’, levelled by Theodor W. Adorno against a specific area of the avant-garde in his 1955 essay ‘The Aging of the Avant-Garde’, is just one of those criticisms. …