Rut Landshoff, journalist, model for Umbo, Frieda Riess, Kokoschka, helps Marlene Dietrich to play the role in The Blue Angel, plays croquet with Thomas Mann, is a friend of Andy Warhol in New York. Her novel "The Many and the One" rediscovered by Theresia Enzensberger, Florian Illies andTom Tykwer.