Jimmy Wales will be speaking at the Ford Hall Forum ( Where Ayn Rand used to constantly give lectures at ) on 9/11.  The title of his speech will be " Free Speech, Free Minds, Free Markets "

However, something I didn't know about the guy

Across the globe we are building, editing, and contributing to a growing body of knowledge and tools at everyones fingertips. Volunteers in leaderless organizations contribute to online initiatives and articles. Software developers spend their free time collaborating with complete strangers. Amazingly, these efforts are creating products of extraordinary quality, sometimes better than that of large for-profit organizations. Why do we do it? Why does it work? Join us tonight as Wikipedia founder Jimmy Wales joins journalist Christopher Lydon to address these questions, where web 2.0 will take us next, and how Objectivist philosophy guides his vision.