Stephen Shore, who has captured the spirit of an age in his photographs, is one of contemporary art's photographers.

Michael Fried is Professor of Humanities and Art History at Johns Hopkins University in Baltimore. An art historian, poet and critic, he is a regular contributor to Artforum, and his books include 'Absorption and Theatricality: Painting and Beholder in the Age of Diderot' (1980), 'Manet's Modernism: or, The Face of Painting in the 1860s' (1996) and the collection 'Art and Objecthood' (1998), which includes his seminal 1967 essay of the same name. Christy Lange is writer and critic based in Berlin, as well as Assistant Editor at Frieze . Joel Sternfeld is a photographer whose acclaimed images explore the contradictory landscapes of American society with wit and sensitivity. His numerous books include 'American Prospects' (1987), 'On This Site: Landscape in Memoriam' (1997) and 'Sweet Earth: Experimental Utopias in America' (2005). He teaches photography at Sarah Lawrence College in Yonkers, New York.