High Quality Content by WIKIPEDIA articles! The Society for Imaging Science and Technology (IS T) is a professional society (a type of research and education organization) in the field of Photography. Founded in 1947 as the Society of Photographic Scientists and Engineers (SPSE), it is headquartered in Washington, D.C.. In 2006 it had about 1,500 members worldwide, and 5,000 participants in its various technical and industry-related programs.