Abstract The Hal E. Hagen collection consists of an audiocassette tape, a CD duplicate of the audiocassette, and transcript of an oral history interview conducted between Hagen and Briseis, Lih-Ping Feng during the fall of 1989. Hagen, an Emeritus professor of curriculum and instruction at Mankato State University, worked as an educator a various levels between 1950 and 1989. In the interview, Hagen discussed the areas of change and continuity during his career. He focused on educational...