The whole story of the TV show 'Chuck' is centered around the Intersect, the content of which is accessible to Chuck's mind only. My question is where did the Intersect came from? Who or what could create one of the most complete data base ever?

Try this link, here's some info.

List of Chuck gadgets - Wikipedia, the free encyclopedia (http://en.wikipedia.org/wiki/The_Intersect#The_Intersect)