The National Center for Research Resources (NCRR), the component of NIH most closely affiliated with TCBG, has created brochures including a description of TCBG for the Supercomputing 2003 and Supercomputing 2004 conferences.  Each brochure is included below, along with the page describing TCBG excerpted for easy reference.

NCRR Supercomputing 2004 Brochure

NCRR Supercomputing 2003 Brochure

Both brochures were downloaded from this page (http://nbcr.sdsc.edu/sc04/) at the National Biomedical Computation Resource site.