a real world point of view
Bill King was a part of the special effects production house, Trading Post, in the 1960s. He was the visual effects designer on four Patrick Troughton serials, including The Wheel in Space, The Invasion, The Krotons and The Seeds of Death. Like many visual effects designers in early Doctor Who history, he was credited under a variety of titles, including "special effects designed by" and "visual effects designed by".
- Internet Movie Database at the