Text drafted by Donald Goldsmith.

Web design by Kendall Van Pool.

Additional contributions to the text from Alan Dressler, Christopher McKee, Donald Shapero, and Joel Parriott.
This report was reviewed in draft form by Gordon Baym, University of Illinois at Urbana-Champaign; Anita Cochran, University of Texas; Sharon Dunwoody, University of Wisconsin; Sandra Faber, University of California, Santa Cruz; John Huchra, Harvard-Smithsonian Center for Astrophysics; Richard McCray, University of Colorado; and J.Anthony Tyson, Bell Labs, Lucent Technologies. The review was overseen by Lewis Branscomb, Harvard University. Responsibility for the final content of this report rests entirely with the authors and the institution.