Karlyn De Jongh and Sarah Gold are independent curators and authors from the Netherlands, working with the ­project ­Personal Structures. They organized symposia and ­exhibitions in a.o. ­Amsterdam, New York and Tokyo as well as at the 53rd and 54th ­Venice ­Biennale. With the Global Art ­Affairs ­Foundation, ­they publish books and ­document Art ­Projects, in coöperation with a.o. Lawrence Weiner, Hermann Nitsch and ­Roman Opalka.