[7] She attended the social education seminar of the Youth Home Association (German: Verein Jugendheim) in Charlottenburg.
She attended analysis with Adelheid Fuchs-Kamp and was together with Nic Waal at the orphanage seminar led by Otto Fenichel and Harald Schultz-Hencke.
[6] She therefore entered into a pro forma marriage with the socialist journalist Bertold Hasvoll (1912–2001)[9] to obtain a permanent residence permit in Norway.
It started on November 25, 1942, when Hasvoll received a warning from Nic Waal about rumors of what was going to happen that night.
On November 26, 1942, 532 Norwegian Jews were transported from Norway on the SS Donau and onward to the Auschwitz concentration camp.
[12] For the escape and the rescue operation, Hasvoll and her helpers were awarded Yad Vashem's honorific of Righteous Among the Nations.
[4] In 1951 she became an honorary member of the Danish–Norwegian Psychoanalytical Association (Norwegian: Dansk-Norsk Psykoanalytisk Forening) and practiced as a psychoanalyst in Copenhagen.