 In 1933, shortly after working with Béla Balázs on the script for "Das Blaue Licht" (1932), directed by Leni Riefenstahl, he moved to London to escape the Nazi regime.In London, he worked as an adviser to the British film industry, and became friends with British film figures such as director and film writer Paul Rotha.In 1942, Mayer was diagnosed with cancer.