The event featured his production of Oskar Kokoschka 's farce Sphinx und Strohmann , for which he was also the stage designer .
Which was turned into one of the most notorious among Dada provocations .
The event featured his production of Oskar Kokoschka 's farce Sphinx und Strohmann , for which he was also the stage designer , and which was turned into one of the most notorious among Dada provocations .