Video: LCA 2011 - History of BSD
Marshall Kirk McKusick gave a presentation entitled A Narrative History of BSD at LCA 2011. I've embedded it below in webm format using the HTML 5 video tag.
If you don't see the video embedded, you can download it and play it locally.
Right-click download link: LCA2011-BSD_History.webm (49 min, 130 MB)