[citation needed] After graduating from the Franz Liszt Academy of Music in Budapest, she studied privately with Béla Bartók from 1934–1936[3].
[citation needed] She came to Denmark at the outbreak of Second World War and remained there in Copenhagen for the longest part of her life.
[citation needed] After the War, during which Jørgen was exiled in Scotland, their second son, Nils Holger Petersen, was born in 1946.
The family spent some years stationed with NATO in Oslo, Norway, and in Kiel, West Germany.
[citation needed] In 1980 after her husband retired as a Rear Admiral from the Royal Danish Navy, they moved to Oslo, Norway where Elisabeth Klein continued to teach at the Norwegian Academy of Music until the age of 70.