 Moser was promoted to Associate University Professor in 1964 . Two years later , the Faculty of Science of the University of Innsbruck recommended that a chair of microbiology should be created at the Botanical Institute in Innsbruck . The Federal Ministry of Education accepted the recommendation . Moser was the only candidate for the position , and was unanimously named by a number of leading European botanists and mycologists for the post in 1967 . Subsequently , in 1968 , Moser was promoted to full professor , and , in 1972 , Moser became the head of the newly established Institute of Microbiology , the first of its kind in Austria . He remained in charge of the Institute until his retirement . He taught on a wide range of subjects , including the taxonomy of fungi , ecology of fungi , mycogeography , bacteria , viruses , chemotaxonomy , molecular genetics , microbial toxicology , immunology and symbiosis . During his career at the university , he oversaw over 60 doctoral theses , in addition to a number of diploma theses . In 1970 , Moser became the president of the Austrian Mycological Society , taking over after the death of the previous post @-@ holder , Kurt Lohwag . Lohwag , in turn , had taken up the position after the death of his predecessor , Thirring , earlier that year . Moser remained the society 's president for 21 years . 
