William A. Ewing has been an author, lecturer, curator of photography and museum director for more than 40 years. His many publications on photography include The Body, Civilization: The Way We Live Now, Edward Burtynsky: Essential Elements and Flora Photographica - The Flower in Contemporary Photography, all published by Thames & Hudson. Danaé Panchaud is a curator and lecturer specializing in photography. She is the director of the Centre de la Photographie Genève and co-author of Flora Photographica - The Flower in Contemporary Photography.