Where does Frank Stevenson fit into this (Score 1)

I am having a bit of problems understanding the events that lead to the publishing og DeCSS. According to my research. A norwegian called Frank Stevenson made a published a couple of hacks on the CSS algorithm in october 1999. Then in November he published a cryptoanalasys on the algorithm.
Frank Stevenson's CSS Cracks.
Is there an earlier documented attack on the CSS system? Where does this DeCSS fit in ?