Vortex Garten is a garden that alludes to the discovery of levitational force by the naturalist of what nationality?
Vortex Garten:  It is a pantheistic permaculture garden at the art nouveau area of Mathildenhoehe and alludes to Viktor Schauberger’s discovery of “levitational force” through artistic depictions by internationally renowned sculptors including John Wilkes, Jacopo Foggini, Jerome Abel Seguin and Hyesung Hyun. Viktor Schauberger: Viktor Schauberger (30 June 1885 in Holzschlag, Upper Austria – 25 September 1958 in Linz, Austria) was an Austrian forest caretaker, naturalist, pseudoscientistref>Ronald Engert: "Die Forellenturbine als Prinzip der kostenlosen Energiegewinnung.
Austrian