Recent Talks about Scientific Knowledge
Reflections on Gibbs: From Statistical Physics to the Amistad (APS meeting, March 3, 2003)
Slichter/Condensed-Matter Celebration (University of Illinois at Urbana-Champaign, October 2004)
History of Critical Phenomena (Amsterdam, November 2006 in the ceremony for the Lorentz Medal)
APS, Physics: Aspirations and Goals (APS meeting, April 13, 2008 and to be published in APS News, July 2008)
APS Museum Presentation 2009
Perimeter Lecture Notes September 2009