Modern animation in the United States films "" and "Jurassic Park" included Oscar-winning special effects sequences which made extensive use of CGI. After decades of existing as related-but-separate industries, the barrier between "animation" and "special effects" was shattered by the popularization of computerized special effects—to the point where computer enhancement of Hollywood feature films became second-nature and often went unnoticed. The Academy Award-winning "Forrest Gump" (1994) depended heavily on computerized special effects to create the illusion of Tom Hanks shaking hands with Presidents John F. Kennedy and Lyndon B. Johnson, and to make Gary Sinise convincingly appear to be a double amputee, winning a special-effects Oscar.
Ken Ralston films of Robert Zemeckis. Ralston has won five Academy Award for Best Visual Effects, including a Special Achievement Oscar for the visual effects in "Return of the Jedi" (1983), and regular awards for his work on "Cocoon" (1985), "Who Framed Roger Rabbit" (1988), "Death Becomes Her" (1992) and "Forrest Gump" (1994). He was nominated three more times for "Dragonslayer" (1981), "Back to the Future Part II" (1989) and "Alice in Wonderland" (2010). Ken Ralston Kenneth "Ken" Ralston (born 1954) is an American visual effects artist, currently the Visual Effect Supervisor and Creative Head at Sony Pictures Imageworks. Ralston began his