The same year as Unsichtbare Gegner was released, the Nazis came to power in Germany, and the Jewish Cartier left the country [REF].
In 1952, Michael Barry, with whom Cartier had worked on an aborted project in 1948, became the new Head of Drama at BBC Television and interviewed Cartier for a post as a staff television producer in the drama department,[REF] a job which also involved directing [REF].