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.
Otto Frankel Sir Otto Herzberg Frankel FRS FAA FRSNZ (4 November 1900, Vienna – 21 November 1998, Canberra) was an Austrian-born Australian geneticist. In the 1960s and 1970s he was among the first to warn of the dangers of plant biodiversity loss.