After reading Noah Davis' piece in The Verge about Tetris, Aaron Cohen collected a bunch of other long articles about Tetris.
Also worth watching is this hour-long BBC documentary on Tetris.
Alexey Pazhitnov, a computer programmer from Moscow, created Tetris in 1985 but as the Soviet Union was Communist and all, the state owned the game and any rights to it. Who procured the rights from whom on the other side of the Iron Curtain became the basis of legal wranglings and lawsuits; the Atari/Nintendo battle over Tetris wasn't settled until 1993.
And there's always the kottke.org tag for Tetris.