Jason Weems is an assistant professor of art history at the University of California Riverside where he specializes in American art, with particular interests in the history of visuality in the regional, national and transcultural contexts. His most recent book, "Barnstorming the Prairies: Aerial Vision and Modernity in Rural America, 1920-1940," traces the impact of aerial view-making on representations of the American Midwest. Other interests include the changing conceptualization of scale in American art and the scientific visualization and consideration of pattern in American landscape art.