A Literature of SF DVD is available at http://www2.ku.edu/~sfcenter/. It's brought to you by AboutSF and the Center for the Study of Science Fiction at the University of Kansas. For more info, visit http://www.aboutsf.com.
Legendary science fiction author Isaac Asimov talks about the history of SF magazines--especially the changes at Astounding Stories during the late 1930s under editor John W. Campbell.
Legendary SF author Isaac Asimov discusses the transformation of science fiction from the 1950's to 1971 (when this interview occurred).