Etienne GERAERT was zoology professor at Ghent University, Belgium. From 1974 till 1998 he was also asoociate editor of the journal Nematologica (now Nematology) where he was responsible for the articles on morphology and taxonomy. From 1990 till 2002 he was director of the Master Course in Nematology at Ghent University. From 1998 till 2002 he was Dean of the Faculty of Sciences, Ghent University