^ Larry Cuba did that early CGI work: http://motionographer.com/2008/03/31/larry-cuba-star-wars-computer-animation/
[thanks Fox for blocking the video, the youtube account is the official Electronic Visualization Laboratory (EVL)…] here’s a backup version:
http://www.movieweb.com/movie/star-wars-episode-iv-a-new-hope/making-of-the-computer-graphics-for-star-wars
Mod Edit: a working link to article linked above can be found here:-