My current work on participatory librarianship is strongly grounded in Gordon Pask’s Conversation Theory. Todd Marshall found a series of video clips of Pask lecturing. They are very cool. Not only to hear about the theory in his own words, but just a glimpse of the academic life in the 60’s. It kind of makes me want to lecture in a bow tie and carrying a pipe.
Here is the link: http://www.cyberneticians.com/index.html#gp