Gerry Anderson Associated Television (ATV) boss who offered to buy the show. This began a long friendship and a very successful professional association between the two men. The new series, "Supercar", (1960–61) was developed by Gerry & Sylvia Anderson and Reg Hill based on a story written by Sylvia Anderson and marked several important advances for APF. Sylvia Anderson took on a larger role and became a partner in the company. The series was also the official debut of Supermarionation, the electronic system that made the marionettes more lifelike and convincing on screen. The system used the audio signal from pre-recorded tapes
Gerry Anderson process, though this term had yet to be used. Despite APF's success with "Four Feather Falls", Granada did not commission another series from them, so Anderson took up the offer to direct a film for Anglo-Amalgamated Studios. "Crossroads to Crime" was a low-budget B-grade crime thriller, and although Anderson hoped that its success might enable him to move into mainstream film-making, it failed at the box office. By this time, APF was in financial trouble and the company was struggling to find a buyer for their new puppet series. They were rescued by a fortuitous meeting with Lew Grade, the