On 19 October 2023, a seminar will be held at the Estonian Academy of Sciences where the manuscripts of two articles will be discussed: Aare Pilv Barbarus (and Semper) and the “modern ape species”. About the aestheticist roots of the intellectual Left in the first half of the 20th century and Tanel Lepsoo Decadence in a theatrical situation. Example of “Salomé” by Oscar Wilde.