introduction by Sarah Howgate ; essay by Martin Gayford. introduction by David Bate; essay by Amna Malik. introduction by Martin Parr ; essay by Tony Godfrey. introduction by Carol McCusker; essay by William L. Fox introduction by Paul Goldberger; essay by Philip Johnson. introduction by Steven Heller ; essay by Paula Scher. introduction by Luigi Spinelli,essay by Fulvio Irace introduction and essays by Aaron Betsky.