DAU. Degeneration is a 2019 Russian film of the DAU project organised by Ilya Khrzhanovsky. During the early stages of production, the film was marketed as a biopic about the life of the Nobel Prize-winning Soviet scientist Lev Landau. However, as production progressed, the concept of the film drastically evolved into an alternative Soviet history series. The character of Lev Landau as played by Teodor Currentzis appears only in the films DAU. Nora Mother, DAU. Katya Tanya, DAU.