Producer/sound editor Jim Nelson has died at the age of 81.

Nelson, real name James M. Falkinburg, passed away on Wednesday (18Jun14).

He began his career at the age of 17 and worked as a producer and sound editor on several films and Tv shows, including Dennis the Menace, Tarzan, The Brady Bunch, American Graffiti and The Exorcist.

Nelson helped launch filmmaker George Lucas' Industrial Light & Magic film company and also served as an uncredited associate producer on the Star Wars films.

He was the son of actor and director Sam Nelson and is survived by his filmmaker brother Gary, wife Barbara and daughters Kimberley and Leslie.