Germano Celant, a renowned art historian, critic, and theoretician, has served as the curator of hundreds of exhibitions worldwide and published more than one hundred books and catalogs.

Barry Schwabsky is a London-based writer.

Currently International Reviews Editor at Artforum and Art Critic at The Nation, he has contributed to numerous art publications, including Phaidon's Jessica Stockholder (1995) and Vitamin P (2002), and is the author of The Widening Circle: The Consequences of Modernism in Contemporary Art (1997), as well as several volumes of poetry.

He has taught at Yale, New York University and Goldsmiths, among other institutions.