Born in Appleton City, Missouri, 1951. Currently lives in Lubbock, Texas. Since 1982 Dingus has been associate professor of photography, photo history, and drawing at Texas Tech University. He received a National Endowment for the Arts/Mid-America Art Alliaince Regional Fellowship in 1987. He was also a member of the Rephotographic Survey Project (1978–79) and more recently he worked on "Navajo Sacred Places," in conjunction with a Navajo oral history project. He writes extensively on contemporary photography. His publications include Second View: The Rephotographic Survey (University of New Mexico Press, 1984).
Merry A. Foresta, Stephen Jay Gould, and Karal Ann Marling Between Home and Heaven: Contemporary American Landscape Photography (Washington, D.C. and Albuquerque, New Mexico: The National Museum of American Art in association with the University of New Mexico Press, 1992)