John Cimon Warburg was a british photographer, that took up photography in the late 1880s, becoming a member of the Royal Photographic Society (RPS), one of the world’s oldest national photographic societies, in 1897. Warburg used a wide range of processes, but excelled at Autochromes. He is best known for his atmospheric landscapes and charming studies of his children. Warburg lectured and wrote extensively on the process and showed Autochromes at the annual RPS exhibition for twenty years. His sister, Agnes, was also a pioneer of color photography.