The Lux Library Foundation, (GAME: Lost in Time) or simply the Lux Foundation, (AUDIO: Way of the Burryman, COMIC: Crossing the Rubicon) was the foundation entrusted with the creation and running of the Library. (COMIC: Crossing the Rubicon)
At one late point in her timeline, River Song undertook an archaeological mission to Atlantis in the hopes of recovering the Crystal of Kronos to sell it to the Lux Library Foundation. (GAME: Lost in Time) She would shortly physically die at, and become a permanent resident in spirit of, the Lux Library itself. (TV: Forest of the Dead)