NNDB has created a mapping tool that allows you to create a visual map of the connections amongst the people in the database. The visualizations are enlightening and provide a unique perspective to viewers.
Visualizations are fantastic ways to examine complex data sets. Rob Cross from UVA has been using data visualization tools such as UCI net to track information and energy networks.
NNDB is an intelligence aggregator that tracks the activities of people we have determined to be noteworthy, both living and dead. Superficially, it seems much like a "Who's Who" where a noted person's curriculum vitae is available (the usual information such as date of birth, a biography, and other essential facts.