Robert Hirsch is a photographer, writer, and the Director of Light Research. His books include Transformational Imagemaking, Seizing the Light: A Social History of Photography, Light and Lens: Photography in the Digital Age, Photographic Possibilities: The Expressive Use of Equipment, Ideas, Materials, and Processes, and Exploring Color Photography: From Film to Pixels. Hirsch is a former Associate Editor for Digital Camera (UK) and Photovision Magazine, and a contributor to Afterimage, exposure, Buffalo Spree, The Focal Encyclopedia of Photography, Fotophile, FYI, History of Photography, Ilford Photo Instructor Newsletter, Photo Techniques, The Photo Review, and World Book Encyclopedia. Also, he is the former Executive Director of CEPA Gallery and has curated numerous exhibitions. His own images have been internationally exhibited in over 200 solo and group shows.