Public Talks and Speeches

Leading Edge Forum, Falls Church, VA 18 April 2007

Exploring the Universe with the Hubble Space Telescope, United States Tenth Circuit Bench and Bar Conference, Colorado Springs, CO 8 September 2006

Civility in Science, Baltimore, MD 27 June 2006

What it is to be a Scientist in the 21st Century? Baltimore, MD 29 March 2006

Conference on Astrophysical Ages and Time Scales, Hilo, Hawaii 5 – 9 February 2001