Joseph D KetnerJoseph D. Ketner II is Foster Chair in Contemporary Art and Distinguished Curator in Residence at Emerson College, Boston, USA. A curator and art historian for over thirty years, Ketner has curated exhibitions and publishing on a range of topis from nineteenth century African American art, particularly Robert S. Duncanson, and modern and contemporary European and American art. His recent publications include books on Warhol; as well as essays on Heinz Mack and Otto Piene for Sperone Westwater Gallery, New York. Read More Read Less