National Geographic's Renovation Plans Threaten Elyn Zimmerman Artwork

Among those who have spoken out about the importance of the piece are Charles A. Birnbaum, president and CEO of the Washington, DC–based Cultural Landscape Foundation (CLF); Adam Weinberg, the director of the Whitney Museum of American Art in New York; Marc Treib, a landscape and architectural historian and professor emeritus at the University of California at Berkeley; and Penny Balkin Bach, the executive director and chief curator of the Association for Public Art in Philadelphia.