His main interest was studying the legendary continent of Atlantis, which he discussed and documented in various publications such as his 1976 book Noahs Weg zum Amazonas (Noah's route to the Amazon), which was translated in English by the paranormal writer Martin Ebon under the title of The lost survivors of the deluge (1980).
•
The book is similar to the work of Charles Berlitz but Hassler never received mainstream recognition for his book like Berlitz did.
Johann Wolfgang von Goethe | Otto von Bismarck | Alexander von Humboldt | Wernher von Braun | Carl Maria von Weber | Herbert von Karajan | Gebhard Leberecht von Blücher | John von Neumann | Lars von Trier | Ferdinand von Mueller | Paul von Hindenburg | Alexander von Humboldt Foundation | Heinrich von Kleist | Anne Sofie von Otter | Erich von Stroheim | Max von Sydow | Justus von Liebig | Hermann von Helmholtz | Franz von Papen | Die Meistersinger von Nürnberg | Carl von Clausewitz | Von Ryan's Express | Richard von Weizsäcker | Theodore von Kármán | Manfred von Richthofen | Erich von Däniken | Dita Von Teese | Albrecht von Haller | Carl Michael von Hausswolff | Alfred von Tirpitz |