American visual effects supervisor who led the Industrial Light and Magic effects crews on The Wrath of Khan, The Search for Spock and The Voyage Home.
Ken Ralston is an American visual effects artist who joined Industrial Light and Magic for the first Star Wars film and went on to win five Academy Awards, for work including Who Framed Roger Rabbit and Forrest Gump.
He supervised the effects of Star Trek II: The Wrath of Khan with Jim Veilleux, handling the starship battles between the Enterprise and the Reliant, among them the fight in the Mutara Nebula.
Ralston was sole supervisor on Star Trek III: The Search for Spock, which introduced the Excelsior, the Klingon Bird-of-Prey and Spacedock and showed the destruction of the Enterprise, and on Star Trek IV: The Voyage Home, with its time-travel sequence and the whale probe.