Holzschlag was the birthplace for what Austrian forest caretaker, naturalist, pseudoscientist?
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. Freie Energie durch Implosion"., philosopher, inventor and biomimicry experimenter.
Robert Hartig Robert Hartig (born: Heinrich Julius Adolph Robert Hartig, 30 May 1839, in Braunschweig – died 9 October 1901, in Munich) was a German forestry scientist and mycologist.