The Weiber Teufel
Is Claudia Tiedemann.
And Egon Tiedemann are searching for her, until his death.
Egon has cancer, but what kills him is a push from his daughter Claudia.
When Egon realize all about time-travel. Because Claudia do not want this know to the public.
She has to keep this safe, with her secret of the ether. (God particle)