October 12, 2011 | Presentation of the annual Franzen Lecture on Architecture and the Environment.
December 2, 2009 | Presentation of the annual Franzen Lecture on Architecture and the Environment.
January 22, 2008 | Presentation of the annual Franzen Lecture on Architecture and the Environment
October 30, 2006 | Presentation of the annual Franzen Lecture on Architecture and the Environment