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The 2009 Ig Nobel Prize Ceremony took place on Thursday, October 1, at Sanders Theater, Harvard University, Cambridge, Massachusetts.
Part 2: Lots of introductions. Several past winners return. Benoit Mandelbrot's keynote address.
Ceremony details, winners, and other participants:
improbable.com/ig/2009/
improbable.com/ig/winners/
improbable.com/ig/2009/ignitaries/