It is indeed a fascinating read. Here you go!
https://qz.com/1145669/googles-true-origin-partly-lies-in-ci...
>A second grant—the DARPA-NSF grant most closely associated with Google’s origin—was part of a coordinated effort to build a massive digital library using the internet as its backbone. Both grants funded research by two graduate students who were making rapid advances in web-page ranking, as well as tracking (and making sense of) user queries: future Google cofounders Sergey Brin and Larry Page.
>The research by Brin and Page under these grants became the heart of Google: people using search functions to find precisely what they wanted inside a very large data set.