 In Berlin she lived in a student residence and audited courses of her choosing at the University of Berlin (1922–1923), including classics and Christian theology under Romano Guardini.This enabled her to successfully sit the entrance examination ("Abitur") for the University of Marburg, where Ernst Grumach had studied under Martin Heidegger, who had been appointed a professor there in 1922.For the examination, her mother engaged a private tutor, while her Aunt Frieda Arendt, a teacher, also helped her, and Frieda's husband Ernst Aron provided financial assistance for her to attend university.