The guy who is behind www.semiologic.com.
WordPress themes and plugins at:
http://www.semiologic.com/projects/
In particular, the CMS-styled themes:
http://www.semiologic.com/projects/sem-theme/
The static front page plugin:
http://www.semiologic.com/projects/static-front/
The search reloaded plugin:
http://www.semiologic.com/projects/search-reloaded/
The smart link plugin:
http://www.semiologic.com/projects/smart-link/
And the Yahoo! terms based plugins: