Background
Lehtonen, Hannu Väino Tapani was born on July 1, 1950 in Helsinki, Finland.
Lehtonen, Hannu Väino Tapani was born on July 1, 1950 in Helsinki, Finland.
Master of Science, University Helsinki, 1973. Doctor of Philosophy, University Helsinki, 1981.
Researcher Water Conservation Laboratory, Helsinki, 1972-1973, Finnish Game and Fisheries Research Institute, Helsinki, 1973-1983, senior researcher, 1983-1995. Professor University Helsinki, since 1995.