In this March 1976 publicity photo released by Lucasfilm Ltd. & TM, director George Lucas and actor Mark Hamill, who portrays young Luke Skywalker, are shown on the salt flats of Tunisia during principal photography of the original "Star Wars." There's no mistaking the similarities. A childhood on a dusty farm, a love of fast vehicles, a rebel who battles an overpowering empire, George Lucas is the hero he created, Luke Skywalker. (AP Photo/Lucasfilm Ltd. & TM)

** FILE ** In this undated publicity photo released by Lucasfilm Ltd. & TM, director George Lucas directs actor Anthony Daniels, who plays the robot C-3PO, in "Star Wars II: Attack of the Clones," on location in the Tunisian desert. Dozens of groundbreaking technologies were developed for the production of the "Star Wars" movies. There's no mistaking the similarities. A childhood on a dusty farm, a love of fast vehicles, a rebel who battles an overpowering empire, George Lucas is the hero he created, Luke Skywalker. (AP Photo/Lucasfilm Ltd. & TM, LisaTomasetti)

This 1974 photo shows George Lucas, director of the film "American Graffiti." "What I was trying to do was stay independent so that I could make the movies I wanted to make," Lucas says in the 2004 documentary "Empire of Dreams." (AP Photo, File)

FILE - In this May 4, 2005 file photo, George Lucas, director of "Star Wars Episode III: Revenge of the Sith," poses at Skywalker Ranch in San Rafael, Calif. The film is the last in Lucas' series of "Star Wars" movies. There's no mistaking the similarities. A childhood on a dusty farm, a love of fast vehicles, a rebel who battles an overpowering empire, George Lucas is the hero he created, Luke Skywalker. (AP Photo/Eric Risberg, File)

FILE - In this March 13, 2008 file photo, director/producer George Lucas poses for a portrait in Las Vegas. Lucas wrote and produced the upcoming movie "Star Wars: The Clone Wars." There's no mistaking the similarities. A childhood on a dusty farm, a love of fast vehicles, a rebel who battles an overpowering empire, George Lucas is the hero he created, Luke Skywalker. (AP Photo/Matt Sayles, File)