 She was taught by Walter Peterhans, who founded the school's photography department in 1929.Influenced by the work of artists such as fellow Hungarian László Moholy-Nagy who had previously taught at the school, Kárász began to experiment with compositional devices, such as bird's-eye perspective, and explored modernist themes and subject matters including industrial landscapes.In 1931 Kárász became a member of Kostufa (Kommunistische Studenten Fraktion) a communist student group, and following her active role in election campaigns she was expelled from the Sachsen-Anhalt area of Germany.