geologist university professor
He had been professor at the Geologischen Institut of the University of Vienna since 1969. Later in his life, he turned to esoteric fields and published obscure hypotheses for which he was strongly criticized by the scientific community. Vom Mythos zur historischen Wahrheit, which claimed that Noah"s llood was the consequence of a bolide impact about 9500 years ago, and supported the claim through geology (impact craters, iridium, shatter cones, stress lamination of minerals, radiocarbon dating, dendrochronology, a peak of acid in the Greenland ice) and legends and folk traditions.
See Tollmann"s hypothetical bolide.
The book was on the Austrian bestseller list for weeks. In August 1999, he predicted a world-wide catastrophe that he awaited in his bunker in Lower Austria.
In December 2003, Tollmann published Und die Wahrheit siegt schließlich doch (And the truth finally prevails).