The Geeks Who Saved Prince of Persia's Source Code From Digital Death | Game|Life | Wired.com

He saved all the videotape he took in October 1985 of his brother running and jumping around their old neighborhood, footage that he rotoscoped into the animations for his Apple II game Prince of Persia. He saved all of the meticulous journals he kept of the production process, documenting each tiny step of the creation of the landmark hit game.