Career
Rosenquist acted in several Austrian silent films, and was considered a replacement for Liane Haid. Rosenquist was of Jewish origin and had to escape following the Nazi takeovers of Austria and Czechoslovakia. She went to the Netherlands, on to Britain before finally settling down in Canada.
Several of her family members were killed in the Holocaust.
The Thea Koerner House Graduate Student Centre of the University of British Columbia was named in her honour.