Douglas Trumbull
Visual-effects pioneer who, as one of four Special Photographic Effects Supervisors on '2001: A Space Odyssey' (alongside Wally Veevers, Con Pederson, and Tom Howard), conceived (with Kubrick) the slit-scan photography that became the Stargate sequence. Spielberg sought him out for the very first effects work on 'Close Encounters of the Third Kind'. Later went on to direct 'Silent Running' and 'Brainstorm', and pioneered Showscan.