Bachelor, Master of Arts (honorary), Vilnius State University, Lithuania, 1973. Doctor of Philosophy in Physics, Vilnius State University, Lithuania, 1982. Doctor of Science in Physics and Mathematics, Polytechnic Institute, St. Petersburg, Russia, 1990.
Habilitate Doctor in Natural Science, Semiconductor Physics Institute, Lithuania, 1993.
Junior research scientist Semiconductor Physics Institute, Vilnius, Lithuania, 1973—1987, senior research scientist, leader electrodynamical group, since 1987. Postdoctoral researcher department electrical and electronic engineering Bristol University, England, 1991. Professor Vilnius Gediminas Technology University, since 2004.
Visiting professor Linkoping University, Department Physics, Sweden, 2000—2001. Expert-evaluator Seven Framework Programme, Experts Management Module FW6, Brussel, Belgium, since 2006. Expert Lithuanian State Science and Studies, since 2005.
Member of Institute of Electrical and Electronics Engineers (senior ), International Society Optical Engineering (associate).
Married Theodore Edward Nickelson. Children: Lucyna Kniszewska-Plewako, Emilia.