Education
Ziegler studied drama at the Max Reinhardt Seminar in Wien (1960/1961).
Ziegler studied drama at the Max Reinhardt Seminar in Wien (1960/1961).
He was an actor in Spring Awakening, a play by Frank Wedekind, in 1964. He was also an actor in the American television series Boys and Girls, created by Fred Mallow. In 1966, he was imprisoned for two years because of his gay friendship with a 16-year-old named Stephan.
While in prison, he wrote his first work, Labyrinth (1966).
After he was released from prison, he worked as a journalist and author from 1971 to 1979 for the German gay magazine DU&ICH. He wrote many other articles and books In November 1977, his work Die Konsequenz was filmed and shown on German television
Actors of the film Die Konsequenz were Jürgen Prochnow as Martin Kurath and Ernst Hannawald as Thomas Manzoni.