Scope and Contents The Orrin Edgar Klapp Papers documents the Klapp's career as a naval officer and professor of sociology at San Diego State College from 1949 to 1969. The collection is comprised of information pertaining to the history of the Hydrographic Office during WWII, correspondence to and from Klapp, newspaper clippings, and a handwritten manuscript of Klapp's work A Materialist Metaphysics. Other highlights include manuscripts from...