special effects figure in film production in the United States. Christine Glanville, already an experienced puppeteer, joined the expanding company in the early days to supervise puppet operations, progressing into production management toward the end of Century 21's existence. Derek Meddings joined the staff in the earliest days as a special effects assistant, painting miniatures on scenery, but ultimately became the department's director, developing significant advances in miniature effects technology. Prior to his death in 1995, he would later rise to the position of one of the foremost special effects experts in the film industry. References Bibliography 1956 establishments in England 1977 disestablishments in England British companies established in 1956 British companies disestablished in 1977 Mass media companies established in 1956 Mass media companies disestablished in 1977 Companies based in Slough Culture in Slough Defunct film and television production companies of the United Kingdom