On Wed, Jun 25, 2008 at 07:09:25PM -0400, Ed Summers wrote:
> Carl Malamud: http://en.wikipedia.org/wiki/Carl_Malamud
> 
> Long time advocate for Internet technologies for the public good. Most
> recently involved with making public domain data sets available to the
> public w/ public.resource.org.

I second Malamud.  I also nominate:


Joseph Lucia  http://library.villanova.edu/services/director/index.html

University Librarian at Villanova University who has been active around
the call for developers in libraries [0].  


Adrian Holovaty http://www.holovaty.com/

Co-creator of Django, the Python web framework.  Currently working on
EveryBlock, an ambitious mash-up of data into an attractive interface. 


[0] http://acrlog.org/2007/11/27/how-libraries-might-once-again-become-technology-leaders/