 Moser died on 30 September 2002 . After returning from 7th International Congress in Oslo , Norway , he suffered a series of heart attacks . After being admitted to hospital , his condition rapidly declined before his death . Obituaries were published in a variety of academic journals , including Mycological Progress , Mycological Research , Sydowia , Österreichische Zeitschrift für Pilzkunde , and Berichte des <unk> @-@ <unk> Verein Innsbruck . Horak and colleagues , writing for the journal Mycological Research , described Moser 's death as " an irreplaceable loss to the international community of mycological science " , and , writing in Sydowia , they said that the " mycological world has lost one of its pillars of taxonomy for agarics and boletes . His former students , assistants and collaborators at the Microbiological Institute at the University of Innsbruck , his professional colleagues in the mycological community worldwide and his many friends will deeply regret the loss of a distinguished researcher , teacher , leader and mentor . " In a short obituary of Moser as part of their report on the Eighth International Symposium on Arctic @-@ Alpine Mycology , mycologists Cathy Cripps and Joe Ammirati called him a " gentlemanly scholar " who " led us in his quiet way across the tundra and down many dichotomous paths " . 
