Thomas L. Woltz is senior principal and owner of Nelson Byrd Woltz Landscape Architects. Nina-Marie Listeris professor and graduate director of the School of Urban and Regional Planning at Toronto Metropolitan University. Brent Leggs, is founding director of the African American Cultural Heritage Action Fund at the National Trust for Historic Preservation in Washington, DC. Robert Pogue Harrison is Rosina Pierotti Professor of Italian Literature at Stanford University. Andrea Wulf is the author of the acclaimed Magnificent Rebels and The Invention of Nature