David Liittschwager is an American freelance photographer and author born in 1961. Early in his career, he worked as an assistant photographer for Richard Avedon from 1983 to 1986, gaining experience in professional photography during a formative period. Liittschwager went on to establish himself as a freelance photographer, contributing to prominent publications including Audubon, National Geographic, and Scientific American. His work has spanned both editorial and scientific photography. In 2002, he served as a producer on a film titled Skulls and X-Ray Ichthyology: The Structure of Fishes, created for the California Academy of Sciences. Beyond photography, Liittschwager has authored and co-authored several books. In 2008, he became a co-author of Edible Schoolyard, a project developed with Alice Waters. In 2012, University of Chicago Press published his book One Cubic Foot. He has also been involved in curatorial work, having been commissioned by the David Brower Center in Berkeley, California to organize the Third Annual Art Exhibition in 2011.