Career
In 1931, she took a diction class from Brecht"s wife Helene Weigel and became his lover. She was introduced to the Theater am Schiffbauerdamm, playing a maid in Die Mutter (1932). In 1933 Brecht and Weigel went into exile in Denmark.
Though soon replaced as Brecht"s lover by Ruth Berlau, Steffin entered an arranged marriage to a Danish citizen to stay as Brecht"s secretary and followed the Brechts to Finland and Moscow when war broke out.
She died from tuberculosis (diagnosed already in 1931) while awaiting an American visa. Brecht wrote six short poems on hearing of her death, eventually published together as Nach dem Tod meiner Mitarbeiterin M. South. The second reads:
My general is fallen
My soldier is fallen
My pupil has left
My teacher has left
My nurse is gone
My nursling is gone.
Brecht"s 1955 Collected names Steffin as the collaborator on Roundheads and Peakheads, Señora Carrar"s Rifles and The Horatians and the Curiatians. She is also thought to have had a large hand in Mr Puntila and his Manitoba Matti, The Good Person of Szechwan, The Resistible Rise of Arturo Ui, and The Caucasian Chalk Circle.
Steffin also corresponded with Walter Benjamin and Arnold Zweig.