2010-2020 |
Professor Emeritus Faculty of Natural Sciences, Comenius University, Bratislava, Slovakia |
1992, 1994 |
Visiting Research Fellow University of Guelph, Guelph, Canada |
1992-2010 |
Full Professor Faculty of Natural Sciences, Comenius University, Bratislava, Slovakia |
1990-1992 |
Associate Professor Faculty of Natural Sciences, Comenius University, Bratislava, Slovakia |
1989 |
Visiting Research Fellow Department of Biosciences, University of Jammu, India |
1979, 1984 |
Visiting Research Fellow Laboratoire d'Anatomie Compare, Museum National d'Histoire Naturelle, Paris, France |
1963-1990 |
Assistant Professor Faculty of Natural Sciences, Comenius University, Bratislava, Slovakia |
1965-1967 |
Visiting Research Fellow Institute of Anatomy, Jagiellonian University, Krakow, Poland |
1961 |
Research Assistant Institute of Biology, Slovak Academy of Sciences, Bratislava, Slovakia |